40804428680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2543917}}^1$

素因数の和:2544329

約数の個数: 32

約数和(自身を含む): 92038953240

約数和(自身を除く): 51234524560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 2543917, 5087834, 10175668, 12719585, 20351336, 25439170, 50878340, 101756680, 1020110717, 2040221434, 4080442868, 5100553585, 8160885736, 10201107170, 20402214340, 40804428680]

約数ペア:

[(1, 40804428680), (2, 20402214340), (4, 10201107170), (5, 8160885736), (8, 5100553585), (10, 4080442868), (20, 2040221434), (40, 1020110717), (401, 101756680), (802, 50878340), (1604, 25439170), (2005, 20351336), (3208, 12719585), (4010, 10175668), (8020, 5087834), (16040, 2543917)]