165156680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317609}}^1$

素因数の和:317633

約数の個数: 32

約数和(自身を含む): 400188600

約数和(自身を除く): 235031920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 317609, 635218, 1270436, 1588045, 2540872, 3176090, 4128917, 6352180, 8257834, 12704360, 16515668, 20644585, 33031336, 41289170, 82578340, 165156680]

約数ペア:

[(1, 165156680), (2, 82578340), (4, 41289170), (5, 33031336), (8, 20644585), (10, 16515668), (13, 12704360), (20, 8257834), (26, 6352180), (40, 4128917), (52, 3176090), (65, 2540872), (104, 1588045), (130, 1270436), (260, 635218), (520, 317609)]