66451120

素因数分解:

$2^4\times 5^1\times {\mathrm{830639}}^1$

素因数の和:830652

約数の個数: 20

約数和(自身を含む): 154499040

約数和(自身を除く): 88047920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830639, 1661278, 3322556, 4153195, 6645112, 8306390, 13290224, 16612780, 33225560, 66451120]

約数ペア:

[(1, 66451120), (2, 33225560), (4, 16612780), (5, 13290224), (8, 8306390), (10, 6645112), (16, 4153195), (20, 3322556), (40, 1661278), (80, 830639)]