157323160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9907}}^1$

素因数の和:10315

約数の個数: 32

約数和(自身を含む): 354904560

約数和(自身を除く): 197581400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 9907, 15880, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 3933079, 7866158, 15732316, 19665395, 31464632, 39330790, 78661580, 157323160]

約数ペア:

[(1, 157323160), (2, 78661580), (4, 39330790), (5, 31464632), (8, 19665395), (10, 15732316), (20, 7866158), (40, 3933079), (397, 396280), (794, 198140), (1588, 99070), (1985, 79256), (3176, 49535), (3970, 39628), (7940, 19814), (9907, 15880)]