156965780

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18731}}^1$

素因数の和:19159

約数の個数: 24

約数和(自身を含む): 330432480

約数和(自身を除く): 173466700

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 18731, 37462, 74924, 93655, 187310, 374620, 7848289, 15696578, 31393156, 39241445, 78482890, 156965780]

約数ペア:

[(1, 156965780), (2, 78482890), (4, 39241445), (5, 31393156), (10, 15696578), (20, 7848289), (419, 374620), (838, 187310), (1676, 93655), (2095, 74924), (4190, 37462), (8380, 18731)]