56995280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1451}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 132875424

約数和(自身を除く): 75880144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1451, 1964, 2455, 2902, 3928, 4910, 5804, 7255, 7856, 9820, 11608, 14510, 19640, 23216, 29020, 39280, 58040, 116080, 712441, 1424882, 2849764, 3562205, 5699528, 7124410, 11399056, 14248820, 28497640, 56995280]

約数ペア:

[(1, 56995280), (2, 28497640), (4, 14248820), (5, 11399056), (8, 7124410), (10, 5699528), (16, 3562205), (20, 2849764), (40, 1424882), (80, 712441), (491, 116080), (982, 58040), (1451, 39280), (1964, 29020), (2455, 23216), (2902, 19640), (3928, 14510), (4910, 11608), (5804, 9820), (7255, 7856)]