25573490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 21600910

約数列:

[1, 2, 5, 10, 71, 142, 181, 199, 355, 362, 398, 710, 905, 995, 1810, 1990, 12851, 14129, 25702, 28258, 36019, 64255, 70645, 72038, 128510, 141290, 180095, 360190, 2557349, 5114698, 12786745, 25573490]

約数ペア:

[(1, 25573490), (2, 12786745), (5, 5114698), (10, 2557349), (71, 360190), (142, 180095), (181, 141290), (199, 128510), (355, 72038), (362, 70645), (398, 64255), (710, 36019), (905, 28258), (995, 25702), (1810, 14129), (1990, 12851)]