25875340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 57708000

約数和(自身を除く): 31832660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 457, 596, 745, 914, 1490, 1828, 2285, 2831, 2980, 4570, 5662, 8683, 9140, 11324, 14155, 17366, 28310, 34732, 43415, 56620, 68093, 86830, 136186, 173660, 272372, 340465, 680930, 1293767, 1361860, 2587534, 5175068, 6468835, 12937670, 25875340]

約数ペア:

[(1, 25875340), (2, 12937670), (4, 6468835), (5, 5175068), (10, 2587534), (19, 1361860), (20, 1293767), (38, 680930), (76, 340465), (95, 272372), (149, 173660), (190, 136186), (298, 86830), (380, 68093), (457, 56620), (596, 43415), (745, 34732), (914, 28310), (1490, 17366), (1828, 14155), (2285, 11324), (2831, 9140), (2980, 8683), (4570, 5662)]