49689460880

素因数分解:

$2^4\times 5^1\times {\mathrm{621118261}}^1$

素因数の和:621118274

約数の個数: 20

約数和(自身を含む): 115527996732

約数和(自身を除く): 65838535852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621118261, 1242236522, 2484473044, 3105591305, 4968946088, 6211182610, 9937892176, 12422365220, 24844730440, 49689460880]

約数ペア:

[(1, 49689460880), (2, 24844730440), (4, 12422365220), (5, 9937892176), (8, 6211182610), (10, 4968946088), (16, 3105591305), (20, 2484473044), (40, 1242236522), (80, 621118261)]