40465580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 87757824

約数和(自身を除く): 47292244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 211, 215, 223, 422, 430, 446, 844, 860, 892, 1055, 1115, 2110, 2230, 4220, 4460, 9073, 9589, 18146, 19178, 36292, 38356, 45365, 47053, 47945, 90730, 94106, 95890, 181460, 188212, 191780, 235265, 470530, 941060, 2023279, 4046558, 8093116, 10116395, 20232790, 40465580]

約数ペア:

[(1, 40465580), (2, 20232790), (4, 10116395), (5, 8093116), (10, 4046558), (20, 2023279), (43, 941060), (86, 470530), (172, 235265), (211, 191780), (215, 188212), (223, 181460), (422, 95890), (430, 94106), (446, 90730), (844, 47945), (860, 47053), (892, 45365), (1055, 38356), (1115, 36292), (2110, 19178), (2230, 18146), (4220, 9589), (4460, 9073)]