40828880

素因数分解:

$2^4\times 5^1\times {\mathrm{510361}}^1$

素因数の和:510374

約数の個数: 20

約数和(自身を含む): 94927332

約数和(自身を除く): 54098452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510361, 1020722, 2041444, 2551805, 4082888, 5103610, 8165776, 10207220, 20414440, 40828880]

約数ペア:

[(1, 40828880), (2, 20414440), (4, 10207220), (5, 8165776), (8, 5103610), (10, 4082888), (16, 2551805), (20, 2041444), (40, 1020722), (80, 510361)]