31552240

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2647}}^1$

素因数の和:2809

約数の個数: 40

約数和(自身を含む): 73879200

約数和(自身を除く): 42326960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2647, 2980, 5294, 5960, 10588, 11920, 13235, 21176, 26470, 42352, 52940, 105880, 211760, 394403, 788806, 1577612, 1972015, 3155224, 3944030, 6310448, 7888060, 15776120, 31552240]

約数ペア:

[(1, 31552240), (2, 15776120), (4, 7888060), (5, 6310448), (8, 3944030), (10, 3155224), (16, 1972015), (20, 1577612), (40, 788806), (80, 394403), (149, 211760), (298, 105880), (596, 52940), (745, 42352), (1192, 26470), (1490, 21176), (2384, 13235), (2647, 11920), (2980, 10588), (5294, 5960)]