8178580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 9965420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 239, 290, 295, 478, 580, 590, 956, 1180, 1195, 1711, 2390, 3422, 4780, 6844, 6931, 8555, 13862, 14101, 17110, 27724, 28202, 34220, 34655, 56404, 69310, 70505, 138620, 141010, 282020, 408929, 817858, 1635716, 2044645, 4089290, 8178580]

約数ペア:

[(1, 8178580), (2, 4089290), (4, 2044645), (5, 1635716), (10, 817858), (20, 408929), (29, 282020), (58, 141010), (59, 138620), (116, 70505), (118, 69310), (145, 56404), (236, 34655), (239, 34220), (290, 28202), (295, 27724), (478, 17110), (580, 14101), (590, 13862), (956, 8555), (1180, 6931), (1195, 6844), (1711, 4780), (2390, 3422)]