420162046256

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{39848449}}^1$

素因数の和:39849116

約数の個数: 20

約数和(自身を含む): 815299287000

約数和(自身を除く): 395137240744

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 39848449, 79696898, 159393796, 318787592, 637575184, 26260127891, 52520255782, 105040511564, 210081023128, 420162046256]

約数ペア:

[(1, 420162046256), (2, 210081023128), (4, 105040511564), (8, 52520255782), (16, 26260127891), (659, 637575184), (1318, 318787592), (2636, 159393796), (5272, 79696898), (10544, 39848449)]