69904220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26681}}^1$

素因数の和:26821

約数の個数: 24

約数和(自身を含む): 147925008

約数和(自身を除く): 78020788

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26681, 53362, 106724, 133405, 266810, 533620, 3495211, 6990422, 13980844, 17476055, 34952110, 69904220]

約数ペア:

[(1, 69904220), (2, 34952110), (4, 17476055), (5, 13980844), (10, 6990422), (20, 3495211), (131, 533620), (262, 266810), (524, 133405), (655, 106724), (1310, 53362), (2620, 26681)]