83990800

素因数分解:

$2^4\times 5^2\times {\mathrm{209977}}^1$

素因数の和:209995

約数の個数: 30

約数和(自身を含む): 201788858

約数和(自身を除く): 117798058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 209977, 419954, 839908, 1049885, 1679816, 2099770, 3359632, 4199540, 5249425, 8399080, 10498850, 16798160, 20997700, 41995400, 83990800]

約数ペア:

[(1, 83990800), (2, 41995400), (4, 20997700), (5, 16798160), (8, 10498850), (10, 8399080), (16, 5249425), (20, 4199540), (25, 3359632), (40, 2099770), (50, 1679816), (80, 1049885), (100, 839908), (200, 419954), (400, 209977)]