70326020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39509}}^1$

素因数の和:39607

約数の個数: 24

約数和(自身を含む): 149347800

約数和(自身を除く): 79021780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 39509, 79018, 158036, 197545, 395090, 790180, 3516301, 7032602, 14065204, 17581505, 35163010, 70326020]

約数ペア:

[(1, 70326020), (2, 35163010), (4, 17581505), (5, 14065204), (10, 7032602), (20, 3516301), (89, 790180), (178, 395090), (356, 197545), (445, 158036), (890, 79018), (1780, 39509)]