76621780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{53959}}^1$

素因数の和:54039

約数の個数: 24

約数和(自身を含む): 163175040

約数和(自身を除く): 86553260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 53959, 107918, 215836, 269795, 539590, 1079180, 3831089, 7662178, 15324356, 19155445, 38310890, 76621780]

約数ペア:

[(1, 76621780), (2, 38310890), (4, 19155445), (5, 15324356), (10, 7662178), (20, 3831089), (71, 1079180), (142, 539590), (284, 269795), (355, 215836), (710, 107918), (1420, 53959)]