10939480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 24708240

約数和(自身を除く): 13768760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 557, 982, 1114, 1964, 2228, 2455, 2785, 3928, 4456, 4910, 5570, 9820, 11140, 19640, 22280, 273487, 546974, 1093948, 1367435, 2187896, 2734870, 5469740, 10939480]

約数ペア:

[(1, 10939480), (2, 5469740), (4, 2734870), (5, 2187896), (8, 1367435), (10, 1093948), (20, 546974), (40, 273487), (491, 22280), (557, 19640), (982, 11140), (1114, 9820), (1964, 5570), (2228, 4910), (2455, 4456), (2785, 3928)]