18151250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1152

約数の個数: 40

約数和(自身を含む): 36672636

約数和(自身を除く): 18521386

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1117, 1250, 1625, 2234, 3250, 5585, 8125, 11170, 14521, 16250, 27925, 29042, 55850, 72605, 139625, 145210, 279250, 363025, 698125, 726050, 1396250, 1815125, 3630250, 9075625, 18151250]

約数ペア:

[(1, 18151250), (2, 9075625), (5, 3630250), (10, 1815125), (13, 1396250), (25, 726050), (26, 698125), (50, 363025), (65, 279250), (125, 145210), (130, 139625), (250, 72605), (325, 55850), (625, 29042), (650, 27925), (1117, 16250), (1250, 14521), (1625, 11170), (2234, 8125), (3250, 5585)]