40971940

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1987}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 86167872

約数和(自身を除く): 45195932

約数列:

[1, 2, 4, 5, 10, 20, 1031, 1987, 2062, 3974, 4124, 5155, 7948, 9935, 10310, 19870, 20620, 39740, 2048597, 4097194, 8194388, 10242985, 20485970, 40971940]

約数ペア:

[(1, 40971940), (2, 20485970), (4, 10242985), (5, 8194388), (10, 4097194), (20, 2048597), (1031, 39740), (1987, 20620), (2062, 19870), (3974, 10310), (4124, 9935), (5155, 7948)]