80013440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 210772800

約数和(自身を除く): 130759360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 128, 130, 160, 163, 208, 236, 260, 295, 320, 326, 416, 472, 520, 590, 640, 652, 767, 815, 832, 944, 1040, 1180, 1304, 1534, 1630, 1664, 1888, 2080, 2119, 2360, 2608, 3068, 3260, 3776, 3835, 4160, 4238, 4720, 5216, 6136, 6520, 7552, 7670, 8320, 8476, 9440, 9617, 10432, 10595, 12272, 13040, 15340, 16952, 18880, 19234, 20864, 21190, 24544, 26080, 30680, 33904, 37760, 38468, 42380, 48085, 49088, 52160, 61360, 67808, 76936, 84760, 96170, 98176, 104320, 122720, 125021, 135616, 153872, 169520, 192340, 245440, 250042, 271232, 307744, 339040, 384680, 490880, 500084, 615488, 625105, 678080, 769360, 1000168, 1230976, 1250210, 1356160, 1538720, 2000336, 2500420, 3077440, 4000672, 5000840, 6154880, 8001344, 10001680, 16002688, 20003360, 40006720, 80013440]

約数ペア:

[(1, 80013440), (2, 40006720), (4, 20003360), (5, 16002688), (8, 10001680), (10, 8001344), (13, 6154880), (16, 5000840), (20, 4000672), (26, 3077440), (32, 2500420), (40, 2000336), (52, 1538720), (59, 1356160), (64, 1250210), (65, 1230976), (80, 1000168), (104, 769360), (118, 678080), (128, 625105), (130, 615488), (160, 500084), (163, 490880), (208, 384680), (236, 339040), (260, 307744), (295, 271232), (320, 250042), (326, 245440), (416, 192340), (472, 169520), (520, 153872), (590, 135616), (640, 125021), (652, 122720), (767, 104320), (815, 98176), (832, 96170), (944, 84760), (1040, 76936), (1180, 67808), (1304, 61360), (1534, 52160), (1630, 49088), (1664, 48085), (1888, 42380), (2080, 38468), (2119, 37760), (2360, 33904), (2608, 30680), (3068, 26080), (3260, 24544), (3776, 21190), (3835, 20864), (4160, 19234), (4238, 18880), (4720, 16952), (5216, 15340), (6136, 13040), (6520, 12272), (7552, 10595), (7670, 10432), (8320, 9617), (8476, 9440)]