8197960

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 18532800

約数和(自身を除く): 10334840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 659, 1244, 1318, 1555, 2488, 2636, 3110, 3295, 5272, 6220, 6590, 12440, 13180, 26360, 204949, 409898, 819796, 1024745, 1639592, 2049490, 4098980, 8197960]

約数ペア:

[(1, 8197960), (2, 4098980), (4, 2049490), (5, 1639592), (8, 1024745), (10, 819796), (20, 409898), (40, 204949), (311, 26360), (622, 13180), (659, 12440), (1244, 6590), (1318, 6220), (1555, 5272), (2488, 3295), (2636, 3110)]