25737980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13267}}^1$

素因数の和:13373

約数の個数: 24

約数和(自身を含む): 54611088

約数和(自身を除く): 28873108

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13267, 26534, 53068, 66335, 132670, 265340, 1286899, 2573798, 5147596, 6434495, 12868990, 25737980]

約数ペア:

[(1, 25737980), (2, 12868990), (4, 6434495), (5, 5147596), (10, 2573798), (20, 1286899), (97, 265340), (194, 132670), (388, 66335), (485, 53068), (970, 26534), (1940, 13267)]