80520068

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 142884000

約数和(自身を除く): 62363932

約数列:

[1, 2, 4, 107, 214, 419, 428, 449, 838, 898, 1676, 1796, 44833, 48043, 89666, 96086, 179332, 188131, 192172, 376262, 752524, 20130017, 40260034, 80520068]

約数ペア:

[(1, 80520068), (2, 40260034), (4, 20130017), (107, 752524), (214, 376262), (419, 192172), (428, 188131), (449, 179332), (838, 96086), (898, 89666), (1676, 48043), (1796, 44833)]