201697640

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{4157}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 454303080

約数和(自身を除く): 252605440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4157, 4852, 6065, 8314, 9704, 12130, 16628, 20785, 24260, 33256, 41570, 48520, 83140, 166280, 5042441, 10084882, 20169764, 25212205, 40339528, 50424410, 100848820, 201697640]

約数ペア:

[(1, 201697640), (2, 100848820), (4, 50424410), (5, 40339528), (8, 25212205), (10, 20169764), (20, 10084882), (40, 5042441), (1213, 166280), (2426, 83140), (4157, 48520), (4852, 41570), (6065, 33256), (8314, 24260), (9704, 20785), (12130, 16628)]