405955460

素因数分解:

$2^2\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{8329}}^1$

素因数の和:10775

約数の個数: 24

約数和(自身を含む): 852958680

約数和(自身を除く): 447003220

約数列:

[1, 2, 4, 5, 10, 20, 2437, 4874, 8329, 9748, 12185, 16658, 24370, 33316, 41645, 48740, 83290, 166580, 20297773, 40595546, 81191092, 101488865, 202977730, 405955460]

約数ペア:

[(1, 405955460), (2, 202977730), (4, 101488865), (5, 81191092), (10, 40595546), (20, 20297773), (2437, 166580), (4874, 83290), (8329, 48740), (9748, 41645), (12185, 33316), (16658, 24370)]