1639844320

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{80701}}^1$

素因数の和:80843

約数の個数: 48

約数和(自身を含む): 3904685568

約数和(自身を除く): 2264841248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 80701, 161402, 322804, 403505, 645608, 807010, 1291216, 1614020, 2582432, 3228040, 6456080, 10249027, 12912160, 20498054, 40996108, 51245135, 81992216, 102490270, 163984432, 204980540, 327968864, 409961080, 819922160, 1639844320]

約数ペア:

[(1, 1639844320), (2, 819922160), (4, 409961080), (5, 327968864), (8, 204980540), (10, 163984432), (16, 102490270), (20, 81992216), (32, 51245135), (40, 40996108), (80, 20498054), (127, 12912160), (160, 10249027), (254, 6456080), (508, 3228040), (635, 2582432), (1016, 1614020), (1270, 1291216), (2032, 807010), (2540, 645608), (4064, 403505), (5080, 322804), (10160, 161402), (20320, 80701)]