15857871125

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{4013}}^1$

素因数の和:4442

約数の個数: 32

約数和(自身を含む): 20055421152

約数和(自身を除く): 4197550027

約数列:

[1, 5, 25, 101, 125, 313, 505, 1565, 2525, 4013, 7825, 12625, 20065, 31613, 39125, 100325, 158065, 405313, 501625, 790325, 1256069, 2026565, 3951625, 6280345, 10132825, 31401725, 50664125, 126862969, 157008625, 634314845, 3171574225, 15857871125]

約数ペア:

[(1, 15857871125), (5, 3171574225), (25, 634314845), (101, 157008625), (125, 126862969), (313, 50664125), (505, 31401725), (1565, 10132825), (2525, 6280345), (4013, 3951625), (7825, 2026565), (12625, 1256069), (20065, 790325), (31613, 501625), (39125, 405313), (100325, 158065)]