526321580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{12781}}^1$

素因数の和:12890

約数の個数: 48

約数和(自身を含む): 1159583040

約数和(自身を除く): 633261460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 10295, 12781, 20590, 25562, 41180, 51124, 63905, 127810, 255620, 370649, 741298, 907451, 1482596, 1814902, 1853245, 3629804, 3706490, 4537255, 7412980, 9074510, 18149020, 26316079, 52632158, 105264316, 131580395, 263160790, 526321580]

約数ペア:

[(1, 526321580), (2, 263160790), (4, 131580395), (5, 105264316), (10, 52632158), (20, 26316079), (29, 18149020), (58, 9074510), (71, 7412980), (116, 4537255), (142, 3706490), (145, 3629804), (284, 1853245), (290, 1814902), (355, 1482596), (580, 907451), (710, 741298), (1420, 370649), (2059, 255620), (4118, 127810), (8236, 63905), (10295, 51124), (12781, 41180), (20590, 25562)]