82578340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317609}}^1$

素因数の和:317631

約数の個数: 24

約数和(自身を含む): 186754680

約数和(自身を除く): 104176340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317609, 635218, 1270436, 1588045, 3176090, 4128917, 6352180, 8257834, 16515668, 20644585, 41289170, 82578340]

約数ペア:

[(1, 82578340), (2, 41289170), (4, 20644585), (5, 16515668), (10, 8257834), (13, 6352180), (20, 4128917), (26, 3176090), (52, 1588045), (65, 1270436), (130, 635218), (260, 317609)]