3218120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 7413120

約数和(自身を除く): 4195000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1871, 3742, 7484, 9355, 14968, 18710, 37420, 74840, 80453, 160906, 321812, 402265, 643624, 804530, 1609060, 3218120]

約数ペア:

[(1, 3218120), (2, 1609060), (4, 804530), (5, 643624), (8, 402265), (10, 321812), (20, 160906), (40, 80453), (43, 74840), (86, 37420), (172, 18710), (215, 14968), (344, 9355), (430, 7484), (860, 3742), (1720, 1871)]