140635160

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{20323}}^1$

素因数の和:20507

約数の個数: 32

約数和(自身を含む): 318273840

約数和(自身を除く): 177638680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 20323, 40646, 81292, 101615, 162584, 203230, 406460, 812920, 3515879, 7031758, 14063516, 17579395, 28127032, 35158790, 70317580, 140635160]

約数ペア:

[(1, 140635160), (2, 70317580), (4, 35158790), (5, 28127032), (8, 17579395), (10, 14063516), (20, 7031758), (40, 3515879), (173, 812920), (346, 406460), (692, 203230), (865, 162584), (1384, 101615), (1730, 81292), (3460, 40646), (6920, 20323)]