73491280

素因数分解:

$2^4\times 5^1\times {\mathrm{918641}}^1$

素因数の和:918654

約数の個数: 20

約数和(自身を含む): 170867412

約数和(自身を除く): 97376132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 918641, 1837282, 3674564, 4593205, 7349128, 9186410, 14698256, 18372820, 36745640, 73491280]

約数ペア:

[(1, 73491280), (2, 36745640), (4, 18372820), (5, 14698256), (8, 9186410), (10, 7349128), (16, 4593205), (20, 3674564), (40, 1837282), (80, 918641)]