13397980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16339}}^1$

素因数の和:16389

約数の個数: 24

約数和(自身を含む): 28823760

約数和(自身を除く): 15425780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16339, 32678, 65356, 81695, 163390, 326780, 669899, 1339798, 2679596, 3349495, 6698990, 13397980]

約数ペア:

[(1, 13397980), (2, 6698990), (4, 3349495), (5, 2679596), (10, 1339798), (20, 669899), (41, 326780), (82, 163390), (164, 81695), (205, 65356), (410, 32678), (820, 16339)]