28872160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5821}}^1$

素因数の和:5867

約数の個数: 48

約数和(自身を含む): 70422912

約数和(自身を除く): 41550752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5821, 11642, 23284, 29105, 46568, 58210, 93136, 116420, 180451, 186272, 232840, 360902, 465680, 721804, 902255, 931360, 1443608, 1804510, 2887216, 3609020, 5774432, 7218040, 14436080, 28872160]

約数ペア:

[(1, 28872160), (2, 14436080), (4, 7218040), (5, 5774432), (8, 3609020), (10, 2887216), (16, 1804510), (20, 1443608), (31, 931360), (32, 902255), (40, 721804), (62, 465680), (80, 360902), (124, 232840), (155, 186272), (160, 180451), (248, 116420), (310, 93136), (496, 58210), (620, 46568), (992, 29105), (1240, 23284), (2480, 11642), (4960, 5821)]