40784180

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2909}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 85798440

約数和(自身を除く): 45014260

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 2909, 3505, 5818, 7010, 11636, 14020, 14545, 29090, 58180, 2039209, 4078418, 8156836, 10196045, 20392090, 40784180]

約数ペア:

[(1, 40784180), (2, 20392090), (4, 10196045), (5, 8156836), (10, 4078418), (20, 2039209), (701, 58180), (1402, 29090), (2804, 14545), (2909, 14020), (3505, 11636), (5818, 7010)]