2018764540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7764479}}^1$

素因数の和:7764501

約数の個数: 24

約数和(自身を含む): 4565514240

約数和(自身を除く): 2546749700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7764479, 15528958, 31057916, 38822395, 77644790, 100938227, 155289580, 201876454, 403752908, 504691135, 1009382270, 2018764540]

約数ペア:

[(1, 2018764540), (2, 1009382270), (4, 504691135), (5, 403752908), (10, 201876454), (13, 155289580), (20, 100938227), (26, 77644790), (52, 38822395), (65, 31057916), (130, 15528958), (260, 7764479)]