51415780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197753}}^1$

素因数の和:197775

約数の個数: 24

約数和(自身を含む): 116279352

約数和(自身を除く): 64863572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197753, 395506, 791012, 988765, 1977530, 2570789, 3955060, 5141578, 10283156, 12853945, 25707890, 51415780]

約数ペア:

[(1, 51415780), (2, 25707890), (4, 12853945), (5, 10283156), (10, 5141578), (13, 3955060), (20, 2570789), (26, 1977530), (52, 988765), (65, 791012), (130, 395506), (260, 197753)]