155369540

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{9871}}^1$

素因数の和:10667

約数の個数: 24

約数和(自身を含む): 326723712

約数和(自身を除く): 171354172

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 9871, 15740, 19742, 39484, 49355, 98710, 197420, 7768477, 15536954, 31073908, 38842385, 77684770, 155369540]

約数ペア:

[(1, 155369540), (2, 77684770), (4, 38842385), (5, 31073908), (10, 15536954), (20, 7768477), (787, 197420), (1574, 98710), (3148, 49355), (3935, 39484), (7870, 19742), (9871, 15740)]