2784207680

素因数分解:

$2^6\times 5^1\times {\mathrm{8700649}}^1$

素因数の和:8700666

約数の個数: 28

約数和(自身を含む): 6629895300

約数和(自身を除く): 3845687620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 8700649, 17401298, 34802596, 43503245, 69605192, 87006490, 139210384, 174012980, 278420768, 348025960, 556841536, 696051920, 1392103840, 2784207680]

約数ペア:

[(1, 2784207680), (2, 1392103840), (4, 696051920), (5, 556841536), (8, 348025960), (10, 278420768), (16, 174012980), (20, 139210384), (32, 87006490), (40, 69605192), (64, 43503245), (80, 34802596), (160, 17401298), (320, 8700649)]