41538040

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2539}}^1$

素因数の和:2959

約数の個数: 32

約数和(自身を含む): 93726000

約数和(自身を除く): 52187960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 2539, 3272, 4090, 5078, 8180, 10156, 12695, 16360, 20312, 25390, 50780, 101560, 1038451, 2076902, 4153804, 5192255, 8307608, 10384510, 20769020, 41538040]

約数ペア:

[(1, 41538040), (2, 20769020), (4, 10384510), (5, 8307608), (8, 5192255), (10, 4153804), (20, 2076902), (40, 1038451), (409, 101560), (818, 50780), (1636, 25390), (2045, 20312), (2539, 16360), (3272, 12695), (4090, 10156), (5078, 8180)]