213936528040

素因数分解:

$2^3\times 5^1\times {\mathrm{3169}}^1\times {\mathrm{1687729}}^1$

素因数の和:1690909

約数の個数: 32

約数和(自身を含む): 481509369000

約数和(自身を除く): 267572840960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3169, 6338, 12676, 15845, 25352, 31690, 63380, 126760, 1687729, 3375458, 6750916, 8438645, 13501832, 16877290, 33754580, 67509160, 5348413201, 10696826402, 21393652804, 26742066005, 42787305608, 53484132010, 106968264020, 213936528040]

約数ペア:

[(1, 213936528040), (2, 106968264020), (4, 53484132010), (5, 42787305608), (8, 26742066005), (10, 21393652804), (20, 10696826402), (40, 5348413201), (3169, 67509160), (6338, 33754580), (12676, 16877290), (15845, 13501832), (25352, 8438645), (31690, 6750916), (63380, 3375458), (126760, 1687729)]