28330520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37277}}^1$

素因数の和:37307

約数の個数: 32

約数和(自身を含む): 67100400

約数和(自身を除く): 38769880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37277, 74554, 149108, 186385, 298216, 372770, 708263, 745540, 1416526, 1491080, 2833052, 3541315, 5666104, 7082630, 14165260, 28330520]

約数ペア:

[(1, 28330520), (2, 14165260), (4, 7082630), (5, 5666104), (8, 3541315), (10, 2833052), (19, 1491080), (20, 1416526), (38, 745540), (40, 708263), (76, 372770), (95, 298216), (152, 186385), (190, 149108), (380, 74554), (760, 37277)]