13311580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 16172420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 389, 580, 590, 778, 1180, 1556, 1711, 1945, 3422, 3890, 6844, 7780, 8555, 11281, 17110, 22562, 22951, 34220, 45124, 45902, 56405, 91804, 112810, 114755, 225620, 229510, 459020, 665579, 1331158, 2662316, 3327895, 6655790, 13311580]

約数ペア:

[(1, 13311580), (2, 6655790), (4, 3327895), (5, 2662316), (10, 1331158), (20, 665579), (29, 459020), (58, 229510), (59, 225620), (116, 114755), (118, 112810), (145, 91804), (236, 56405), (290, 45902), (295, 45124), (389, 34220), (580, 22951), (590, 22562), (778, 17110), (1180, 11281), (1556, 8555), (1711, 7780), (1945, 6844), (3422, 3890)]