8124220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31247}}^1$

素因数の和:31269

約数の個数: 24

約数和(自身を含む): 18373824

約数和(自身を除く): 10249604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31247, 62494, 124988, 156235, 312470, 406211, 624940, 812422, 1624844, 2031055, 4062110, 8124220]

約数ペア:

[(1, 8124220), (2, 4062110), (4, 2031055), (5, 1624844), (10, 812422), (13, 624940), (20, 406211), (26, 312470), (52, 156235), (65, 124988), (130, 62494), (260, 31247)]