27406480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 67567104

約数和(自身を除く): 40160624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 257, 310, 344, 430, 496, 514, 620, 688, 860, 1028, 1240, 1285, 1333, 1720, 2056, 2480, 2570, 2666, 3440, 4112, 5140, 5332, 6665, 7967, 10280, 10664, 11051, 13330, 15934, 20560, 21328, 22102, 26660, 31868, 39835, 44204, 53320, 55255, 63736, 79670, 88408, 106640, 110510, 127472, 159340, 176816, 221020, 318680, 342581, 442040, 637360, 685162, 884080, 1370324, 1712905, 2740648, 3425810, 5481296, 6851620, 13703240, 27406480]

約数ペア:

[(1, 27406480), (2, 13703240), (4, 6851620), (5, 5481296), (8, 3425810), (10, 2740648), (16, 1712905), (20, 1370324), (31, 884080), (40, 685162), (43, 637360), (62, 442040), (80, 342581), (86, 318680), (124, 221020), (155, 176816), (172, 159340), (215, 127472), (248, 110510), (257, 106640), (310, 88408), (344, 79670), (430, 63736), (496, 55255), (514, 53320), (620, 44204), (688, 39835), (860, 31868), (1028, 26660), (1240, 22102), (1285, 21328), (1333, 20560), (1720, 15934), (2056, 13330), (2480, 11051), (2570, 10664), (2666, 10280), (3440, 7967), (4112, 6665), (5140, 5332)]