80812912

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{9923}}^1$

素因数の和:10440

約数の個数: 20

約数和(自身を含む): 156898440

約数和(自身を除く): 76085528

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 9923, 19846, 39692, 79384, 158768, 5050807, 10101614, 20203228, 40406456, 80812912]

約数ペア:

[(1, 80812912), (2, 40406456), (4, 20203228), (8, 10101614), (16, 5050807), (509, 158768), (1018, 79384), (2036, 39692), (4072, 19846), (8144, 9923)]