180819080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347729}}^1$

素因数の和:347753

約数の個数: 32

約数和(自身を含む): 438139800

約数和(自身を除く): 257320720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 347729, 695458, 1390916, 1738645, 2781832, 3477290, 4520477, 6954580, 9040954, 13909160, 18081908, 22602385, 36163816, 45204770, 90409540, 180819080]

約数ペア:

[(1, 180819080), (2, 90409540), (4, 45204770), (5, 36163816), (8, 22602385), (10, 18081908), (13, 13909160), (20, 9040954), (26, 6954580), (40, 4520477), (52, 3477290), (65, 2781832), (104, 1738645), (130, 1390916), (260, 695458), (520, 347729)]