201646250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12444

約数の個数: 40

約数和(自身を含む): 407072820

約数和(自身を除く): 205426570

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 12409, 16250, 24818, 62045, 124090, 161317, 310225, 322634, 620450, 806585, 1551125, 1613170, 3102250, 4032925, 7755625, 8065850, 15511250, 20164625, 40329250, 100823125, 201646250]

約数ペア:

[(1, 201646250), (2, 100823125), (5, 40329250), (10, 20164625), (13, 15511250), (25, 8065850), (26, 7755625), (50, 4032925), (65, 3102250), (125, 1613170), (130, 1551125), (250, 806585), (325, 620450), (625, 322634), (650, 310225), (1250, 161317), (1625, 124090), (3250, 62045), (8125, 24818), (12409, 16250)]