40696720

素因数分解:

$2^4\times 5^1\times {\mathrm{508709}}^1$

素因数の和:508722

約数の個数: 20

約数和(自身を含む): 94620060

約数和(自身を除く): 53923340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508709, 1017418, 2034836, 2543545, 4069672, 5087090, 8139344, 10174180, 20348360, 40696720]

約数ペア:

[(1, 40696720), (2, 20348360), (4, 10174180), (5, 8139344), (8, 5087090), (10, 4069672), (16, 2543545), (20, 2034836), (40, 1017418), (80, 508709)]