28204250

素因数分解:

$2^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 53368848

約数和(自身を除く): 25164598

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 505, 1010, 1117, 2234, 2525, 5050, 5585, 11170, 12625, 25250, 27925, 55850, 112817, 139625, 225634, 279250, 564085, 1128170, 2820425, 5640850, 14102125, 28204250]

約数ペア:

[(1, 28204250), (2, 14102125), (5, 5640850), (10, 2820425), (25, 1128170), (50, 564085), (101, 279250), (125, 225634), (202, 139625), (250, 112817), (505, 55850), (1010, 27925), (1117, 25250), (2234, 12625), (2525, 11170), (5050, 5585)]