520058890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{12781}}^1$

素因数の和:13114

約数の個数: 32

約数和(自身を含む): 1011414096

約数和(自身を除く): 491355206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 8138, 12781, 20345, 25562, 40690, 63905, 127810, 166153, 332306, 830765, 1661530, 4000453, 8000906, 20002265, 40004530, 52005889, 104011778, 260029445, 520058890]

約数ペア:

[(1, 520058890), (2, 260029445), (5, 104011778), (10, 52005889), (13, 40004530), (26, 20002265), (65, 8000906), (130, 4000453), (313, 1661530), (626, 830765), (1565, 332306), (3130, 166153), (4069, 127810), (8138, 63905), (12781, 40690), (20345, 25562)]