64123700

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{2683}}^1$

素因数の和:2936

約数の個数: 36

約数和(自身を含む): 139782720

約数和(自身を除く): 75659020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 2683, 4780, 5366, 5975, 10732, 11950, 13415, 23900, 26830, 53660, 67075, 134150, 268300, 641237, 1282474, 2564948, 3206185, 6412370, 12824740, 16030925, 32061850, 64123700]

約数ペア:

[(1, 64123700), (2, 32061850), (4, 16030925), (5, 12824740), (10, 6412370), (20, 3206185), (25, 2564948), (50, 1282474), (100, 641237), (239, 268300), (478, 134150), (956, 67075), (1195, 53660), (2390, 26830), (2683, 23900), (4780, 13415), (5366, 11950), (5975, 10732)]