25718730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19937}}^1$

素因数の和:19990

約数の個数: 32

約数和(自身を含む): 63163584

約数和(自身を除く): 37444854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 19937, 39874, 59811, 99685, 119622, 199370, 299055, 598110, 857291, 1714582, 2571873, 4286455, 5143746, 8572910, 12859365, 25718730]

約数ペア:

[(1, 25718730), (2, 12859365), (3, 8572910), (5, 5143746), (6, 4286455), (10, 2571873), (15, 1714582), (30, 857291), (43, 598110), (86, 299055), (129, 199370), (215, 119622), (258, 99685), (430, 59811), (645, 39874), (1290, 19937)]