12640810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16389590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 479, 754, 910, 958, 1015, 1885, 2030, 2395, 2639, 3353, 3770, 4790, 5278, 6227, 6706, 12454, 13195, 13891, 16765, 26390, 27782, 31135, 33530, 43589, 62270, 69455, 87178, 97237, 138910, 180583, 194474, 217945, 361166, 435890, 486185, 902915, 972370, 1264081, 1805830, 2528162, 6320405, 12640810]

約数ペア:

[(1, 12640810), (2, 6320405), (5, 2528162), (7, 1805830), (10, 1264081), (13, 972370), (14, 902915), (26, 486185), (29, 435890), (35, 361166), (58, 217945), (65, 194474), (70, 180583), (91, 138910), (130, 97237), (145, 87178), (182, 69455), (203, 62270), (290, 43589), (377, 33530), (406, 31135), (455, 27782), (479, 26390), (754, 16765), (910, 13891), (958, 13195), (1015, 12454), (1885, 6706), (2030, 6227), (2395, 5278), (2639, 4790), (3353, 3770)]