16865120

素因数分解:

$2^5\times 5^1\times {\mathrm{105407}}^1$

素因数の和:105422

約数の個数: 24

約数和(自身を含む): 39844224

約数和(自身を除く): 22979104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105407, 210814, 421628, 527035, 843256, 1054070, 1686512, 2108140, 3373024, 4216280, 8432560, 16865120]

約数ペア:

[(1, 16865120), (2, 8432560), (4, 4216280), (5, 3373024), (8, 2108140), (10, 1686512), (16, 1054070), (20, 843256), (32, 527035), (40, 421628), (80, 210814), (160, 105407)]