40521940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49417}}^1$

素因数の和:49467

約数の個数: 24

約数和(自身を含む): 87173352

約数和(自身を除く): 46651412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49417, 98834, 197668, 247085, 494170, 988340, 2026097, 4052194, 8104388, 10130485, 20260970, 40521940]

約数ペア:

[(1, 40521940), (2, 20260970), (4, 10130485), (5, 8104388), (10, 4052194), (20, 2026097), (41, 988340), (82, 494170), (164, 247085), (205, 197668), (410, 98834), (820, 49417)]