923901680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28714

約数の個数: 80

約数和(自身を含む): 2388013824

約数和(自身を除く): 1464112144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 28657, 32240, 57314, 114628, 143285, 229256, 286570, 372541, 458512, 573140, 745082, 888367, 1146280, 1490164, 1776734, 1862705, 2292560, 2980328, 3553468, 3725410, 4441835, 5960656, 7106936, 7450820, 8883670, 11548771, 14213872, 14901640, 17767340, 23097542, 29803280, 35534680, 46195084, 57743855, 71069360, 92390168, 115487710, 184780336, 230975420, 461950840, 923901680]

約数ペア:

[(1, 923901680), (2, 461950840), (4, 230975420), (5, 184780336), (8, 115487710), (10, 92390168), (13, 71069360), (16, 57743855), (20, 46195084), (26, 35534680), (31, 29803280), (40, 23097542), (52, 17767340), (62, 14901640), (65, 14213872), (80, 11548771), (104, 8883670), (124, 7450820), (130, 7106936), (155, 5960656), (208, 4441835), (248, 3725410), (260, 3553468), (310, 2980328), (403, 2292560), (496, 1862705), (520, 1776734), (620, 1490164), (806, 1146280), (1040, 888367), (1240, 745082), (1612, 573140), (2015, 458512), (2480, 372541), (3224, 286570), (4030, 229256), (6448, 143285), (8060, 114628), (16120, 57314), (28657, 32240)]