64254290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90499}}^1$

素因数の和:90577

約数の個数: 16

約数和(自身を含む): 117288000

約数和(自身を除く): 53033710

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90499, 180998, 452495, 904990, 6425429, 12850858, 32127145, 64254290]

約数ペア:

[(1, 64254290), (2, 32127145), (5, 12850858), (10, 6425429), (71, 904990), (142, 452495), (355, 180998), (710, 90499)]