205989160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{827}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 500774400

約数和(自身を除く): 294785240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 479, 520, 827, 958, 1654, 1916, 2395, 3308, 3832, 4135, 4790, 6227, 6616, 8270, 9580, 10751, 12454, 16540, 19160, 21502, 24908, 31135, 33080, 43004, 49816, 53755, 62270, 86008, 107510, 124540, 215020, 249080, 396133, 430040, 792266, 1584532, 1980665, 3169064, 3961330, 5149729, 7922660, 10299458, 15845320, 20598916, 25748645, 41197832, 51497290, 102994580, 205989160]

約数ペア:

[(1, 205989160), (2, 102994580), (4, 51497290), (5, 41197832), (8, 25748645), (10, 20598916), (13, 15845320), (20, 10299458), (26, 7922660), (40, 5149729), (52, 3961330), (65, 3169064), (104, 1980665), (130, 1584532), (260, 792266), (479, 430040), (520, 396133), (827, 249080), (958, 215020), (1654, 124540), (1916, 107510), (2395, 86008), (3308, 62270), (3832, 53755), (4135, 49816), (4790, 43004), (6227, 33080), (6616, 31135), (8270, 24908), (9580, 21502), (10751, 19160), (12454, 16540)]