870855280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{162473}}^1$

素因数の和:162553

約数の個数: 40

約数和(自身を含む): 2054971152

約数和(自身を除く): 1184115872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 162473, 324946, 649892, 812365, 1299784, 1624730, 2599568, 3249460, 6498920, 10885691, 12997840, 21771382, 43542764, 54428455, 87085528, 108856910, 174171056, 217713820, 435427640, 870855280]

約数ペア:

[(1, 870855280), (2, 435427640), (4, 217713820), (5, 174171056), (8, 108856910), (10, 87085528), (16, 54428455), (20, 43542764), (40, 21771382), (67, 12997840), (80, 10885691), (134, 6498920), (268, 3249460), (335, 2599568), (536, 1624730), (670, 1299784), (1072, 812365), (1340, 649892), (2680, 324946), (5360, 162473)]