2550280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 5803200

約数和(自身を除く): 3252920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 619, 824, 1030, 1238, 2060, 2476, 3095, 4120, 4952, 6190, 12380, 24760, 63757, 127514, 255028, 318785, 510056, 637570, 1275140, 2550280]

約数ペア:

[(1, 2550280), (2, 1275140), (4, 637570), (5, 510056), (8, 318785), (10, 255028), (20, 127514), (40, 63757), (103, 24760), (206, 12380), (412, 6190), (515, 4952), (619, 4120), (824, 3095), (1030, 2476), (1238, 2060)]