25626040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 37877960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 419, 440, 556, 695, 838, 1112, 1390, 1529, 1676, 2095, 2780, 3058, 3352, 4190, 4609, 5560, 6116, 7645, 8380, 9218, 12232, 15290, 16760, 18436, 23045, 30580, 36872, 46090, 58241, 61160, 92180, 116482, 184360, 232964, 291205, 465928, 582410, 640651, 1164820, 1281302, 2329640, 2562604, 3203255, 5125208, 6406510, 12813020, 25626040]

約数ペア:

[(1, 25626040), (2, 12813020), (4, 6406510), (5, 5125208), (8, 3203255), (10, 2562604), (11, 2329640), (20, 1281302), (22, 1164820), (40, 640651), (44, 582410), (55, 465928), (88, 291205), (110, 232964), (139, 184360), (220, 116482), (278, 92180), (419, 61160), (440, 58241), (556, 46090), (695, 36872), (838, 30580), (1112, 23045), (1390, 18436), (1529, 16760), (1676, 15290), (2095, 12232), (2780, 9218), (3058, 8380), (3352, 7645), (4190, 6116), (4609, 5560)]