25017080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56857}}^1$

素因数の和:56879

約数の個数: 32

約数和(自身を含む): 61406640

約数和(自身を除く): 36389560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 56857, 113714, 227428, 284285, 454856, 568570, 625427, 1137140, 1250854, 2274280, 2501708, 3127135, 5003416, 6254270, 12508540, 25017080]

約数ペア:

[(1, 25017080), (2, 12508540), (4, 6254270), (5, 5003416), (8, 3127135), (10, 2501708), (11, 2274280), (20, 1250854), (22, 1137140), (40, 625427), (44, 568570), (55, 454856), (88, 284285), (110, 227428), (220, 113714), (440, 56857)]