2079656840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{374039}}^1$

素因数の和:374189

約数の個数: 32

約数和(自身を含む): 4712904000

約数和(自身を除く): 2633247160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 374039, 748078, 1496156, 1870195, 2992312, 3740390, 7480780, 14961560, 51991421, 103982842, 207965684, 259957105, 415931368, 519914210, 1039828420, 2079656840]

約数ペア:

[(1, 2079656840), (2, 1039828420), (4, 519914210), (5, 415931368), (8, 259957105), (10, 207965684), (20, 103982842), (40, 51991421), (139, 14961560), (278, 7480780), (556, 3740390), (695, 2992312), (1112, 1870195), (1390, 1496156), (2780, 748078), (5560, 374039)]