40407490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212671}}^1$

素因数の和:212697

約数の個数: 16

約数和(自身を含む): 76561920

約数和(自身を除く): 36154430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 212671, 425342, 1063355, 2126710, 4040749, 8081498, 20203745, 40407490]

約数ペア:

[(1, 40407490), (2, 20203745), (5, 8081498), (10, 4040749), (19, 2126710), (38, 1063355), (95, 425342), (190, 212671)]