40452920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4793}}^1$

素因数の和:5015

約数の個数: 32

約数和(自身を含む): 91469520

約数和(自身を除く): 51016600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 4793, 8440, 9586, 19172, 23965, 38344, 47930, 95860, 191720, 1011323, 2022646, 4045292, 5056615, 8090584, 10113230, 20226460, 40452920]

約数ペア:

[(1, 40452920), (2, 20226460), (4, 10113230), (5, 8090584), (8, 5056615), (10, 4045292), (20, 2022646), (40, 1011323), (211, 191720), (422, 95860), (844, 47930), (1055, 38344), (1688, 23965), (2110, 19172), (4220, 9586), (4793, 8440)]