20184490240

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2767}}^1$

素因数の和:2968

約数の個数: 144

約数和(自身を含む): 49901725440

約数和(自身を除く): 29717235200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 139, 160, 164, 205, 256, 278, 320, 328, 410, 556, 640, 656, 695, 820, 1112, 1280, 1312, 1390, 1640, 2224, 2624, 2767, 2780, 3280, 4448, 5248, 5534, 5560, 5699, 6560, 8896, 10496, 11068, 11120, 11398, 13120, 13835, 17792, 22136, 22240, 22796, 26240, 27670, 28495, 35584, 44272, 44480, 45592, 52480, 55340, 56990, 88544, 88960, 91184, 110680, 113447, 113980, 177088, 177920, 182368, 221360, 226894, 227960, 354176, 364736, 384613, 442720, 453788, 455920, 567235, 708352, 729472, 769226, 885440, 907576, 911840, 1134470, 1458944, 1538452, 1770880, 1815152, 1823680, 1923065, 2268940, 3076904, 3541760, 3630304, 3647360, 3846130, 4537880, 6153808, 7260608, 7294720, 7692260, 9075760, 12307616, 14521216, 15384520, 15769133, 18151520, 24615232, 29042432, 30769040, 31538266, 36303040, 49230464, 61538080, 63076532, 72606080, 78845665, 98460928, 123076160, 126153064, 145212160, 157691330, 246152320, 252306128, 315382660, 492304640, 504612256, 630765320, 1009224512, 1261530640, 2018449024, 2523061280, 4036898048, 5046122560, 10092245120, 20184490240]

約数ペア:

[(1, 20184490240), (2, 10092245120), (4, 5046122560), (5, 4036898048), (8, 2523061280), (10, 2018449024), (16, 1261530640), (20, 1009224512), (32, 630765320), (40, 504612256), (41, 492304640), (64, 315382660), (80, 252306128), (82, 246152320), (128, 157691330), (139, 145212160), (160, 126153064), (164, 123076160), (205, 98460928), (256, 78845665), (278, 72606080), (320, 63076532), (328, 61538080), (410, 49230464), (556, 36303040), (640, 31538266), (656, 30769040), (695, 29042432), (820, 24615232), (1112, 18151520), (1280, 15769133), (1312, 15384520), (1390, 14521216), (1640, 12307616), (2224, 9075760), (2624, 7692260), (2767, 7294720), (2780, 7260608), (3280, 6153808), (4448, 4537880), (5248, 3846130), (5534, 3647360), (5560, 3630304), (5699, 3541760), (6560, 3076904), (8896, 2268940), (10496, 1923065), (11068, 1823680), (11120, 1815152), (11398, 1770880), (13120, 1538452), (13835, 1458944), (17792, 1134470), (22136, 911840), (22240, 907576), (22796, 885440), (26240, 769226), (27670, 729472), (28495, 708352), (35584, 567235), (44272, 455920), (44480, 453788), (45592, 442720), (52480, 384613), (55340, 364736), (56990, 354176), (88544, 227960), (88960, 226894), (91184, 221360), (110680, 182368), (113447, 177920), (113980, 177088)]