71141080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 165888000

約数和(自身を除く): 94746920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 479, 632, 790, 940, 958, 1580, 1880, 1916, 2395, 3160, 3713, 3832, 4790, 7426, 9580, 14852, 18565, 19160, 22513, 29704, 37130, 37841, 45026, 74260, 75682, 90052, 112565, 148520, 151364, 180104, 189205, 225130, 302728, 378410, 450260, 756820, 900520, 1513640, 1778527, 3557054, 7114108, 8892635, 14228216, 17785270, 35570540, 71141080]

約数ペア:

[(1, 71141080), (2, 35570540), (4, 17785270), (5, 14228216), (8, 8892635), (10, 7114108), (20, 3557054), (40, 1778527), (47, 1513640), (79, 900520), (94, 756820), (158, 450260), (188, 378410), (235, 302728), (316, 225130), (376, 189205), (395, 180104), (470, 151364), (479, 148520), (632, 112565), (790, 90052), (940, 75682), (958, 74260), (1580, 45026), (1880, 37841), (1916, 37130), (2395, 29704), (3160, 22513), (3713, 19160), (3832, 18565), (4790, 14852), (7426, 9580)]