9969294220

素因数分解:

$2^2\times 5^1\times {\mathrm{32261}}^1\times {\mathrm{15451}}^1$

素因数の和:47721

約数の個数: 24

約数和(自身を含む): 20937521808

約数和(自身を除く): 10968227588

約数列:

[1, 2, 4, 5, 10, 20, 15451, 30902, 32261, 61804, 64522, 77255, 129044, 154510, 161305, 309020, 322610, 645220, 498464711, 996929422, 1993858844, 2492323555, 4984647110, 9969294220]

約数ペア:

[(1, 9969294220), (2, 4984647110), (4, 2492323555), (5, 1993858844), (10, 996929422), (20, 498464711), (15451, 645220), (30902, 322610), (32261, 309020), (61804, 161305), (64522, 154510), (77255, 129044)]