79454140

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9907}}^1$

素因数の和:10317

約数の個数: 24

約数和(自身を含む): 167286672

約数和(自身を除く): 87832532

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 9907, 19814, 39628, 49535, 99070, 198140, 3972707, 7945414, 15890828, 19863535, 39727070, 79454140]

約数ペア:

[(1, 79454140), (2, 39727070), (4, 19863535), (5, 15890828), (10, 7945414), (20, 3972707), (401, 198140), (802, 99070), (1604, 49535), (2005, 39628), (4010, 19814), (8020, 9907)]