87812920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3593}}^1$

素因数の和:3664

約数の個数: 64

約数和(自身を含む): 217365120

約数和(自身を除く): 129552200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3593, 4888, 6110, 7186, 12220, 14372, 17965, 24440, 28744, 35930, 46709, 71860, 93418, 143720, 168871, 186836, 233545, 337742, 373672, 467090, 675484, 844355, 934180, 1350968, 1688710, 1868360, 2195323, 3377420, 4390646, 6754840, 8781292, 10976615, 17562584, 21953230, 43906460, 87812920]

約数ペア:

[(1, 87812920), (2, 43906460), (4, 21953230), (5, 17562584), (8, 10976615), (10, 8781292), (13, 6754840), (20, 4390646), (26, 3377420), (40, 2195323), (47, 1868360), (52, 1688710), (65, 1350968), (94, 934180), (104, 844355), (130, 675484), (188, 467090), (235, 373672), (260, 337742), (376, 233545), (470, 186836), (520, 168871), (611, 143720), (940, 93418), (1222, 71860), (1880, 46709), (2444, 35930), (3055, 28744), (3593, 24440), (4888, 17965), (6110, 14372), (7186, 12220)]