129600250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{39877}}^1$

素因数の和:39907

約数の個数: 32

約数和(自身を含む): 261280656

約数和(自身を除く): 131680406

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 39877, 79754, 199385, 398770, 518401, 996925, 1036802, 1993850, 2592005, 4984625, 5184010, 9969250, 12960025, 25920050, 64800125, 129600250]

約数ペア:

[(1, 129600250), (2, 64800125), (5, 25920050), (10, 12960025), (13, 9969250), (25, 5184010), (26, 4984625), (50, 2592005), (65, 1993850), (125, 1036802), (130, 996925), (250, 518401), (325, 398770), (650, 199385), (1625, 79754), (3250, 39877)]