1019560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 2332800

約数和(自身を除く): 1313240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 359, 568, 710, 718, 1420, 1436, 1795, 2840, 2872, 3590, 7180, 14360, 25489, 50978, 101956, 127445, 203912, 254890, 509780, 1019560]

約数ペア:

[(1, 1019560), (2, 509780), (4, 254890), (5, 203912), (8, 127445), (10, 101956), (20, 50978), (40, 25489), (71, 14360), (142, 7180), (284, 3590), (355, 2872), (359, 2840), (568, 1795), (710, 1436), (718, 1420)]