81330757820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7629527}}^1$

素因数の和:7629590

約数の個数: 48

約数和(自身を含む): 188418823488

約数和(自身を除く): 107088065668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 7629527, 15259054, 30518108, 38147635, 76295270, 99183851, 152590540, 198367702, 312810607, 396735404, 495919255, 625621214, 991838510, 1251242428, 1564053035, 1983677020, 3128106070, 4066537891, 6256212140, 8133075782, 16266151564, 20332689455, 40665378910, 81330757820]

約数ペア:

[(1, 81330757820), (2, 40665378910), (4, 20332689455), (5, 16266151564), (10, 8133075782), (13, 6256212140), (20, 4066537891), (26, 3128106070), (41, 1983677020), (52, 1564053035), (65, 1251242428), (82, 991838510), (130, 625621214), (164, 495919255), (205, 396735404), (260, 312810607), (410, 198367702), (533, 152590540), (820, 99183851), (1066, 76295270), (2132, 38147635), (2665, 30518108), (5330, 15259054), (10660, 7629527)]