28175240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 66484800

約数和(自身を除く): 38309560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 214, 227, 232, 290, 428, 454, 535, 580, 856, 908, 1070, 1135, 1160, 1816, 2140, 2270, 3103, 4280, 4540, 6206, 6583, 9080, 12412, 13166, 15515, 24289, 24824, 26332, 31030, 32915, 48578, 52664, 62060, 65830, 97156, 121445, 124120, 131660, 194312, 242890, 263320, 485780, 704381, 971560, 1408762, 2817524, 3521905, 5635048, 7043810, 14087620, 28175240]

約数ペア:

[(1, 28175240), (2, 14087620), (4, 7043810), (5, 5635048), (8, 3521905), (10, 2817524), (20, 1408762), (29, 971560), (40, 704381), (58, 485780), (107, 263320), (116, 242890), (145, 194312), (214, 131660), (227, 124120), (232, 121445), (290, 97156), (428, 65830), (454, 62060), (535, 52664), (580, 48578), (856, 32915), (908, 31030), (1070, 26332), (1135, 24824), (1160, 24289), (1816, 15515), (2140, 13166), (2270, 12412), (3103, 9080), (4280, 6583), (4540, 6206)]