80960048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389231}}^1$

素因数の和:389252

約数の個数: 20

約数和(自身を含む): 168926688

約数和(自身を除く): 87966640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389231, 778462, 1556924, 3113848, 5060003, 6227696, 10120006, 20240012, 40480024, 80960048]

約数ペア:

[(1, 80960048), (2, 40480024), (4, 20240012), (8, 10120006), (13, 6227696), (16, 5060003), (26, 3113848), (52, 1556924), (104, 778462), (208, 389231)]