2012172920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1\times {\mathrm{1213}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 4583675520

約数和(自身を除く): 2571502600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 367, 452, 565, 734, 904, 1130, 1213, 1468, 1835, 2260, 2426, 2936, 3670, 4520, 4852, 6065, 7340, 9704, 12130, 14680, 24260, 41471, 48520, 82942, 137069, 165884, 207355, 274138, 331768, 414710, 445171, 548276, 685345, 829420, 890342, 1096552, 1370690, 1658840, 1780684, 2225855, 2741380, 3561368, 4451710, 5482760, 8903420, 17806840, 50304323, 100608646, 201217292, 251521615, 402434584, 503043230, 1006086460, 2012172920]

約数ペア:

[(1, 2012172920), (2, 1006086460), (4, 503043230), (5, 402434584), (8, 251521615), (10, 201217292), (20, 100608646), (40, 50304323), (113, 17806840), (226, 8903420), (367, 5482760), (452, 4451710), (565, 3561368), (734, 2741380), (904, 2225855), (1130, 1780684), (1213, 1658840), (1468, 1370690), (1835, 1096552), (2260, 890342), (2426, 829420), (2936, 685345), (3670, 548276), (4520, 445171), (4852, 414710), (6065, 331768), (7340, 274138), (9704, 207355), (12130, 165884), (14680, 137069), (24260, 82942), (41471, 48520)]