40645840

素因数分解:

$2^4\times 5^1\times {\mathrm{508073}}^1$

素因数の和:508086

約数の個数: 20

約数和(自身を含む): 94501764

約数和(自身を除く): 53855924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508073, 1016146, 2032292, 2540365, 4064584, 5080730, 8129168, 10161460, 20322920, 40645840]

約数ペア:

[(1, 40645840), (2, 20322920), (4, 10161460), (5, 8129168), (8, 5080730), (10, 4064584), (16, 2540365), (20, 2032292), (40, 1016146), (80, 508073)]