25030180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25541}}^1$

素因数の和:25564

約数の個数: 36

約数和(自身を含む): 61147548

約数和(自身を除く): 36117368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25541, 51082, 102164, 127705, 178787, 255410, 357574, 510820, 715148, 893935, 1251509, 1787870, 2503018, 3575740, 5006036, 6257545, 12515090, 25030180]

約数ペア:

[(1, 25030180), (2, 12515090), (4, 6257545), (5, 5006036), (7, 3575740), (10, 2503018), (14, 1787870), (20, 1251509), (28, 893935), (35, 715148), (49, 510820), (70, 357574), (98, 255410), (140, 178787), (196, 127705), (245, 102164), (490, 51082), (980, 25541)]