1019779120

素因数分解:

$2^4\times 5^1\times {\mathrm{12747239}}^1$

素因数の和:12747252

約数の個数: 20

約数和(自身を含む): 2370986640

約数和(自身を除く): 1351207520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12747239, 25494478, 50988956, 63736195, 101977912, 127472390, 203955824, 254944780, 509889560, 1019779120]

約数ペア:

[(1, 1019779120), (2, 509889560), (4, 254944780), (5, 203955824), (8, 127472390), (10, 101977912), (16, 63736195), (20, 50988956), (40, 25494478), (80, 12747239)]