205124534420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{788940517}}^1$

素因数の和:788940539

約数の個数: 24

約数和(自身を含む): 463897024584

約数和(自身を除く): 258772490164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 788940517, 1577881034, 3155762068, 3944702585, 7889405170, 10256226721, 15778810340, 20512453442, 41024906884, 51281133605, 102562267210, 205124534420]

約数ペア:

[(1, 205124534420), (2, 102562267210), (4, 51281133605), (5, 41024906884), (10, 20512453442), (13, 15778810340), (20, 10256226721), (26, 7889405170), (52, 3944702585), (65, 3155762068), (130, 1577881034), (260, 788940517)]