85654580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2801}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 197709120

約数和(自身を除く): 112054540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 2801, 3058, 5602, 6116, 7645, 11204, 14005, 15290, 28010, 30580, 30811, 56020, 61622, 123244, 154055, 308110, 389339, 616220, 778678, 1557356, 1946695, 3893390, 4282729, 7786780, 8565458, 17130916, 21413645, 42827290, 85654580]

約数ペア:

[(1, 85654580), (2, 42827290), (4, 21413645), (5, 17130916), (10, 8565458), (11, 7786780), (20, 4282729), (22, 3893390), (44, 1946695), (55, 1557356), (110, 778678), (139, 616220), (220, 389339), (278, 308110), (556, 154055), (695, 123244), (1390, 61622), (1529, 56020), (2780, 30811), (2801, 30580), (3058, 28010), (5602, 15290), (6116, 14005), (7645, 11204)]