25101980

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3617}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 52880688

約数和(自身を除く): 27778708

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 3617, 6940, 7234, 14468, 18085, 36170, 72340, 1255099, 2510198, 5020396, 6275495, 12550990, 25101980]

約数ペア:

[(1, 25101980), (2, 12550990), (4, 6275495), (5, 5020396), (10, 2510198), (20, 1255099), (347, 72340), (694, 36170), (1388, 18085), (1735, 14468), (3470, 7234), (3617, 6940)]