127975240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14347}}^1$

素因数の和:14581

約数の個数: 32

約数和(自身を含む): 289255680

約数和(自身を除く): 161280440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 14347, 28694, 57388, 71735, 114776, 143470, 286940, 573880, 3199381, 6398762, 12797524, 15996905, 25595048, 31993810, 63987620, 127975240]

約数ペア:

[(1, 127975240), (2, 63987620), (4, 31993810), (5, 25595048), (8, 15996905), (10, 12797524), (20, 6398762), (40, 3199381), (223, 573880), (446, 286940), (892, 143470), (1115, 114776), (1784, 71735), (2230, 57388), (4460, 28694), (8920, 14347)]