127795480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{6991}}^1$

素因数の和:7459

約数の個数: 32

約数和(自身を含む): 288210240

約数和(自身を除く): 160414760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 6991, 9140, 13982, 18280, 27964, 34955, 55928, 69910, 139820, 279640, 3194887, 6389774, 12779548, 15974435, 25559096, 31948870, 63897740, 127795480]

約数ペア:

[(1, 127795480), (2, 63897740), (4, 31948870), (5, 25559096), (8, 15974435), (10, 12779548), (20, 6389774), (40, 3194887), (457, 279640), (914, 139820), (1828, 69910), (2285, 55928), (3656, 34955), (4570, 27964), (6991, 18280), (9140, 13982)]