16220560

素因数分解:

$2^4\times 5^1\times {\mathrm{202757}}^1$

素因数の和:202770

約数の個数: 20

約数和(自身を含む): 37712988

約数和(自身を除く): 21492428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202757, 405514, 811028, 1013785, 1622056, 2027570, 3244112, 4055140, 8110280, 16220560]

約数ペア:

[(1, 16220560), (2, 8110280), (4, 4055140), (5, 3244112), (8, 2027570), (10, 1622056), (16, 1013785), (20, 811028), (40, 405514), (80, 202757)]