158204080

素因数分解:

$2^4\times 5^1\times {\mathrm{1977551}}^1$

素因数の和:1977564

約数の個数: 20

約数和(自身を含む): 367824672

約数和(自身を除く): 209620592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1977551, 3955102, 7910204, 9887755, 15820408, 19775510, 31640816, 39551020, 79102040, 158204080]

約数ペア:

[(1, 158204080), (2, 79102040), (4, 39551020), (5, 31640816), (8, 19775510), (10, 15820408), (16, 9887755), (20, 7910204), (40, 3955102), (80, 1977551)]