1328852080

素因数分解:

$2^4\times 5^1\times {\mathrm{16610651}}^1$

素因数の和:16610664

約数の個数: 20

約数和(自身を含む): 3089581272

約数和(自身を除く): 1760729192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16610651, 33221302, 66442604, 83053255, 132885208, 166106510, 265770416, 332213020, 664426040, 1328852080]

約数ペア:

[(1, 1328852080), (2, 664426040), (4, 332213020), (5, 265770416), (8, 166106510), (10, 132885208), (16, 83053255), (20, 66442604), (40, 33221302), (80, 16610651)]