65620090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{160049}}^1$

素因数の和:160097

約数の個数: 16

約数和(自身を含む): 120997800

約数和(自身を除く): 55377710

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 160049, 320098, 800245, 1600490, 6562009, 13124018, 32810045, 65620090]

約数ペア:

[(1, 65620090), (2, 32810045), (5, 13124018), (10, 6562009), (41, 1600490), (82, 800245), (205, 320098), (410, 160049)]