20163154960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19387649}}^1$

素因数の和:19387675

約数の個数: 40

約数和(自身を含む): 50485440600

約数和(自身を除く): 30322285640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19387649, 38775298, 77550596, 96938245, 155101192, 193876490, 252039437, 310202384, 387752980, 504078874, 775505960, 1008157748, 1260197185, 1551011920, 2016315496, 2520394370, 4032630992, 5040788740, 10081577480, 20163154960]

約数ペア:

[(1, 20163154960), (2, 10081577480), (4, 5040788740), (5, 4032630992), (8, 2520394370), (10, 2016315496), (13, 1551011920), (16, 1260197185), (20, 1008157748), (26, 775505960), (40, 504078874), (52, 387752980), (65, 310202384), (80, 252039437), (104, 193876490), (130, 155101192), (208, 96938245), (260, 77550596), (520, 38775298), (1040, 19387649)]