2021156125

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{877}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 2564040960

約数和(自身を除く): 542884835

約数列:

[1, 5, 25, 103, 125, 179, 515, 877, 895, 2575, 4385, 4475, 12875, 18437, 21925, 22375, 90331, 92185, 109625, 156983, 451655, 460925, 784915, 2258275, 2304625, 3924575, 11291375, 16169249, 19622875, 80846245, 404231225, 2021156125]

約数ペア:

[(1, 2021156125), (5, 404231225), (25, 80846245), (103, 19622875), (125, 16169249), (179, 11291375), (515, 3924575), (877, 2304625), (895, 2258275), (2575, 784915), (4385, 460925), (4475, 451655), (12875, 156983), (18437, 109625), (21925, 92185), (22375, 90331)]