82778540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1759}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 188348160

約数和(自身を除く): 105569620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1759, 1810, 2353, 3518, 3620, 4706, 7036, 8795, 9412, 11765, 17590, 22867, 23530, 35180, 45734, 47060, 91468, 114335, 228670, 318379, 457340, 636758, 1273516, 1591895, 3183790, 4138927, 6367580, 8277854, 16555708, 20694635, 41389270, 82778540]

約数ペア:

[(1, 82778540), (2, 41389270), (4, 20694635), (5, 16555708), (10, 8277854), (13, 6367580), (20, 4138927), (26, 3183790), (52, 1591895), (65, 1273516), (130, 636758), (181, 457340), (260, 318379), (362, 228670), (724, 114335), (905, 91468), (1759, 47060), (1810, 45734), (2353, 35180), (3518, 23530), (3620, 22867), (4706, 17590), (7036, 11765), (8795, 9412)]