71951960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12941}}^1$

素因数の和:13091

約数の個数: 32

約数和(自身を含む): 163069200

約数和(自身を除く): 91117240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12941, 25882, 51764, 64705, 103528, 129410, 258820, 517640, 1798799, 3597598, 7195196, 8993995, 14390392, 17987990, 35975980, 71951960]

約数ペア:

[(1, 71951960), (2, 35975980), (4, 17987990), (5, 14390392), (8, 8993995), (10, 7195196), (20, 3597598), (40, 1798799), (139, 517640), (278, 258820), (556, 129410), (695, 103528), (1112, 64705), (1390, 51764), (2780, 25882), (5560, 12941)]