1019120

素因数分解:

$2^4\times 5^1\times {\mathrm{12739}}^1$

素因数の和:12752

約数の個数: 20

約数和(自身を含む): 2369640

約数和(自身を除く): 1350520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12739, 25478, 50956, 63695, 101912, 127390, 203824, 254780, 509560, 1019120]

約数ペア:

[(1, 1019120), (2, 509560), (4, 254780), (5, 203824), (8, 127390), (10, 101912), (16, 63695), (20, 50956), (40, 25478), (80, 12739)]