64260740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{24527}}^1$

素因数の和:24667

約数の個数: 24

約数和(自身を含む): 135983232

約数和(自身を除く): 71722492

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 24527, 49054, 98108, 122635, 245270, 490540, 3213037, 6426074, 12852148, 16065185, 32130370, 64260740]

約数ペア:

[(1, 64260740), (2, 32130370), (4, 16065185), (5, 12852148), (10, 6426074), (20, 3213037), (131, 490540), (262, 245270), (524, 122635), (655, 98108), (1310, 49054), (2620, 24527)]