98877640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57487}}^1$

素因数の和:57541

約数の個数: 32

約数和(自身を含む): 227652480

約数和(自身を除く): 128774840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57487, 114974, 229948, 287435, 459896, 574870, 1149740, 2299480, 2471941, 4943882, 9887764, 12359705, 19775528, 24719410, 49438820, 98877640]

約数ペア:

[(1, 98877640), (2, 49438820), (4, 24719410), (5, 19775528), (8, 12359705), (10, 9887764), (20, 4943882), (40, 2471941), (43, 2299480), (86, 1149740), (172, 574870), (215, 459896), (344, 287435), (430, 229948), (860, 114974), (1720, 57487)]