28540580920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{50131}}^1$

素因数の和:50516

約数の個数: 64

約数和(自身を含む): 65909543040

約数和(自身を除く): 37368962120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 331, 344, 430, 662, 860, 1324, 1655, 1720, 2648, 3310, 6620, 13240, 14233, 28466, 50131, 56932, 71165, 100262, 113864, 142330, 200524, 250655, 284660, 401048, 501310, 569320, 1002620, 2005240, 2155633, 4311266, 8622532, 10778165, 16593361, 17245064, 21556330, 33186722, 43112660, 66373444, 82966805, 86225320, 132746888, 165933610, 331867220, 663734440, 713514523, 1427029046, 2854058092, 3567572615, 5708116184, 7135145230, 14270290460, 28540580920]

約数ペア:

[(1, 28540580920), (2, 14270290460), (4, 7135145230), (5, 5708116184), (8, 3567572615), (10, 2854058092), (20, 1427029046), (40, 713514523), (43, 663734440), (86, 331867220), (172, 165933610), (215, 132746888), (331, 86225320), (344, 82966805), (430, 66373444), (662, 43112660), (860, 33186722), (1324, 21556330), (1655, 17245064), (1720, 16593361), (2648, 10778165), (3310, 8622532), (6620, 4311266), (13240, 2155633), (14233, 2005240), (28466, 1002620), (50131, 569320), (56932, 501310), (71165, 401048), (100262, 284660), (113864, 250655), (142330, 200524)]