70776875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 98668416

約数和(自身を除く): 27891541

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 281, 325, 403, 625, 775, 1405, 1625, 2015, 3653, 3875, 7025, 8125, 8711, 10075, 18265, 19375, 35125, 43555, 50375, 91325, 113243, 175625, 217775, 251875, 456625, 566215, 1088875, 2283125, 2831075, 5444375, 14155375, 70776875]

約数ペア:

[(1, 70776875), (5, 14155375), (13, 5444375), (25, 2831075), (31, 2283125), (65, 1088875), (125, 566215), (155, 456625), (281, 251875), (325, 217775), (403, 175625), (625, 113243), (775, 91325), (1405, 50375), (1625, 43555), (2015, 35125), (3653, 19375), (3875, 18265), (7025, 10075), (8125, 8711)]