64307900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5054

約数の個数: 36

約数和(自身を含む): 140642040

約数和(自身を除く): 76334140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 4909, 6550, 9818, 13100, 19636, 24545, 49090, 98180, 122725, 245450, 490900, 643079, 1286158, 2572316, 3215395, 6430790, 12861580, 16076975, 32153950, 64307900]

約数ペア:

[(1, 64307900), (2, 32153950), (4, 16076975), (5, 12861580), (10, 6430790), (20, 3215395), (25, 2572316), (50, 1286158), (100, 643079), (131, 490900), (262, 245450), (524, 122725), (655, 98180), (1310, 49090), (2620, 24545), (3275, 19636), (4909, 13100), (6550, 9818)]