8639480

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{797}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 19535040

約数和(自身を除く): 10895560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 797, 1084, 1355, 1594, 2168, 2710, 3188, 3985, 5420, 6376, 7970, 10840, 15940, 31880, 215987, 431974, 863948, 1079935, 1727896, 2159870, 4319740, 8639480]

約数ペア:

[(1, 8639480), (2, 4319740), (4, 2159870), (5, 1727896), (8, 1079935), (10, 863948), (20, 431974), (40, 215987), (271, 31880), (542, 15940), (797, 10840), (1084, 7970), (1355, 6376), (1594, 5420), (2168, 3985), (2710, 3188)]