40406456

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{9923}}^1$

素因数の和:10438

約数の個数: 16

約数和(自身を含む): 75918600

約数和(自身を除く): 35512144

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 9923, 19846, 39692, 79384, 5050807, 10101614, 20203228, 40406456]

約数ペア:

[(1, 40406456), (2, 20203228), (4, 10101614), (8, 5050807), (509, 79384), (1018, 39692), (2036, 19846), (4072, 9923)]