320467472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1540709}}^1$

素因数の和:1540730

約数の個数: 20

約数和(自身を含む): 668668140

約数和(自身を除く): 348200668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1540709, 3081418, 6162836, 12325672, 20029217, 24651344, 40058434, 80116868, 160233736, 320467472]

約数ペア:

[(1, 320467472), (2, 160233736), (4, 80116868), (8, 40058434), (13, 24651344), (16, 20029217), (26, 12325672), (52, 6162836), (104, 3081418), (208, 1540709)]