40531240

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2351}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 50914520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 2351, 3448, 4310, 4702, 8620, 9404, 11755, 17240, 18808, 23510, 47020, 94040, 1013281, 2026562, 4053124, 5066405, 8106248, 10132810, 20265620, 40531240]

約数ペア:

[(1, 40531240), (2, 20265620), (4, 10132810), (5, 8106248), (8, 5066405), (10, 4053124), (20, 2026562), (40, 1013281), (431, 94040), (862, 47020), (1724, 23510), (2155, 18808), (2351, 17240), (3448, 11755), (4310, 9404), (4702, 8620)]