1275140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 2708160

約数和(自身を除く): 1433020

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 619, 1030, 1238, 2060, 2476, 3095, 6190, 12380, 63757, 127514, 255028, 318785, 637570, 1275140]

約数ペア:

[(1, 1275140), (2, 637570), (4, 318785), (5, 255028), (10, 127514), (20, 63757), (103, 12380), (206, 6190), (412, 3095), (515, 2476), (619, 2060), (1030, 1238)]