72219820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28433}}^1$

素因数の和:28569

約数の個数: 24

約数和(自身を含む): 152861184

約数和(自身を除く): 80641364

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28433, 56866, 113732, 142165, 284330, 568660, 3610991, 7221982, 14443964, 18054955, 36109910, 72219820]

約数ペア:

[(1, 72219820), (2, 36109910), (4, 18054955), (5, 14443964), (10, 7221982), (20, 3610991), (127, 568660), (254, 284330), (508, 142165), (635, 113732), (1270, 56866), (2540, 28433)]