79389440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 108

約数和(自身を含む): 206476704

約数和(自身を除く): 127087264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 367, 416, 520, 640, 676, 734, 832, 845, 1040, 1280, 1352, 1468, 1664, 1690, 1835, 2080, 2704, 2936, 3328, 3380, 3670, 4160, 4771, 5408, 5872, 6760, 7340, 8320, 9542, 10816, 11744, 13520, 14680, 16640, 19084, 21632, 23488, 23855, 27040, 29360, 38168, 43264, 46976, 47710, 54080, 58720, 62023, 76336, 93952, 95420, 108160, 117440, 124046, 152672, 190840, 216320, 234880, 248092, 305344, 310115, 381680, 469760, 496184, 610688, 620230, 763360, 992368, 1221376, 1240460, 1526720, 1984736, 2480920, 3053440, 3969472, 4961840, 6106880, 7938944, 9923680, 15877888, 19847360, 39694720, 79389440]

約数ペア:

[(1, 79389440), (2, 39694720), (4, 19847360), (5, 15877888), (8, 9923680), (10, 7938944), (13, 6106880), (16, 4961840), (20, 3969472), (26, 3053440), (32, 2480920), (40, 1984736), (52, 1526720), (64, 1240460), (65, 1221376), (80, 992368), (104, 763360), (128, 620230), (130, 610688), (160, 496184), (169, 469760), (208, 381680), (256, 310115), (260, 305344), (320, 248092), (338, 234880), (367, 216320), (416, 190840), (520, 152672), (640, 124046), (676, 117440), (734, 108160), (832, 95420), (845, 93952), (1040, 76336), (1280, 62023), (1352, 58720), (1468, 54080), (1664, 47710), (1690, 46976), (1835, 43264), (2080, 38168), (2704, 29360), (2936, 27040), (3328, 23855), (3380, 23488), (3670, 21632), (4160, 19084), (4771, 16640), (5408, 14680), (5872, 13520), (6760, 11744), (7340, 10816), (8320, 9542)]