85267780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327953}}^1$

素因数の和:327975

約数の個数: 24

約数和(自身を含む): 192836952

約数和(自身を除く): 107569172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327953, 655906, 1311812, 1639765, 3279530, 4263389, 6559060, 8526778, 17053556, 21316945, 42633890, 85267780]

約数ペア:

[(1, 85267780), (2, 42633890), (4, 21316945), (5, 17053556), (10, 8526778), (13, 6559060), (20, 4263389), (26, 3279530), (52, 1639765), (65, 1311812), (130, 655906), (260, 327953)]