25630120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3931}}^1$

素因数の和:4105

約数の個数: 32

約数和(自身を含む): 58036320

約数和(自身を除く): 32406200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3931, 6520, 7862, 15724, 19655, 31448, 39310, 78620, 157240, 640753, 1281506, 2563012, 3203765, 5126024, 6407530, 12815060, 25630120]

約数ペア:

[(1, 25630120), (2, 12815060), (4, 6407530), (5, 5126024), (8, 3203765), (10, 2563012), (20, 1281506), (40, 640753), (163, 157240), (326, 78620), (652, 39310), (815, 31448), (1304, 19655), (1630, 15724), (3260, 7862), (3931, 6520)]