42566875

素因数分解:

$5^4\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 40

約数和(自身を含む): 59480960

約数和(自身を除く): 16914085

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 169, 325, 403, 625, 775, 845, 1625, 2015, 2197, 3875, 4225, 5239, 8125, 10075, 10985, 19375, 21125, 26195, 50375, 54925, 68107, 105625, 130975, 251875, 274625, 340535, 654875, 1373125, 1702675, 3274375, 8513375, 42566875]

約数ペア:

[(1, 42566875), (5, 8513375), (13, 3274375), (25, 1702675), (31, 1373125), (65, 654875), (125, 340535), (155, 274625), (169, 251875), (325, 130975), (403, 105625), (625, 68107), (775, 54925), (845, 50375), (1625, 26195), (2015, 21125), (2197, 19375), (3875, 10985), (4225, 10075), (5239, 8125)]