204217120

素因数分解:

$2^5\times 5^1\times {\mathrm{1276357}}^1$

素因数の和:1276372

約数の個数: 24

約数和(自身を含む): 482463324

約数和(自身を除く): 278246204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1276357, 2552714, 5105428, 6381785, 10210856, 12763570, 20421712, 25527140, 40843424, 51054280, 102108560, 204217120]

約数ペア:

[(1, 204217120), (2, 102108560), (4, 51054280), (5, 40843424), (8, 25527140), (10, 20421712), (16, 12763570), (20, 10210856), (32, 6381785), (40, 5105428), (80, 2552714), (160, 1276357)]