64907210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 120206592

約数和(自身を除く): 55299382

約数列:

[1, 2, 5, 10, 43, 86, 215, 271, 430, 542, 557, 1114, 1355, 2710, 2785, 5570, 11653, 23306, 23951, 47902, 58265, 116530, 119755, 150947, 239510, 301894, 754735, 1509470, 6490721, 12981442, 32453605, 64907210]

約数ペア:

[(1, 64907210), (2, 32453605), (5, 12981442), (10, 6490721), (43, 1509470), (86, 754735), (215, 301894), (271, 239510), (430, 150947), (542, 119755), (557, 116530), (1114, 58265), (1355, 47902), (2710, 23951), (2785, 23306), (5570, 11653)]