4098980

素因数分解:

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

素因数の和:979

約数の個数: 24

約数和(自身を含む): 8648640

約数和(自身を除く): 4549660

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 659, 1244, 1318, 1555, 2636, 3110, 3295, 6220, 6590, 13180, 204949, 409898, 819796, 1024745, 2049490, 4098980]

約数ペア:

[(1, 4098980), (2, 2049490), (4, 1024745), (5, 819796), (10, 409898), (20, 204949), (311, 13180), (622, 6590), (659, 6220), (1244, 3295), (1318, 3110), (1555, 2636)]