15870440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9227}}^1$

素因数の和:9281

約数の個数: 32

約数和(自身を含む): 36542880

約数和(自身を除く): 20672440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9227, 18454, 36908, 46135, 73816, 92270, 184540, 369080, 396761, 793522, 1587044, 1983805, 3174088, 3967610, 7935220, 15870440]

約数ペア:

[(1, 15870440), (2, 7935220), (4, 3967610), (5, 3174088), (8, 1983805), (10, 1587044), (20, 793522), (40, 396761), (43, 369080), (86, 184540), (172, 92270), (215, 73816), (344, 46135), (430, 36908), (860, 18454), (1720, 9227)]