250520920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15541}}^1$

素因数の和:15596

約数の個数: 64

約数和(自身を含む): 626653440

約数和(自身を除く): 376132520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15541, 16120, 31082, 62164, 77705, 124328, 155410, 202033, 310820, 404066, 481771, 621640, 808132, 963542, 1010165, 1616264, 1927084, 2020330, 2408855, 3854168, 4040660, 4817710, 6263023, 8081320, 9635420, 12526046, 19270840, 25052092, 31315115, 50104184, 62630230, 125260460, 250520920]

約数ペア:

[(1, 250520920), (2, 125260460), (4, 62630230), (5, 50104184), (8, 31315115), (10, 25052092), (13, 19270840), (20, 12526046), (26, 9635420), (31, 8081320), (40, 6263023), (52, 4817710), (62, 4040660), (65, 3854168), (104, 2408855), (124, 2020330), (130, 1927084), (155, 1616264), (248, 1010165), (260, 963542), (310, 808132), (403, 621640), (520, 481771), (620, 404066), (806, 310820), (1240, 202033), (1612, 155410), (2015, 124328), (3224, 77705), (4030, 62164), (8060, 31082), (15541, 16120)]