137219080

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8641}}^1$

素因数の和:9049

約数の個数: 32

約数和(自身を含む): 309556440

約数和(自身を除く): 172337360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8641, 15880, 17282, 34564, 43205, 69128, 86410, 172820, 345640, 3430477, 6860954, 13721908, 17152385, 27443816, 34304770, 68609540, 137219080]

約数ペア:

[(1, 137219080), (2, 68609540), (4, 34304770), (5, 27443816), (8, 17152385), (10, 13721908), (20, 6860954), (40, 3430477), (397, 345640), (794, 172820), (1588, 86410), (1985, 69128), (3176, 43205), (3970, 34564), (7940, 17282), (8641, 15880)]