28322480

素因数分解:

$2^4\times 5^1\times {\mathrm{354031}}^1$

素因数の和:354044

約数の個数: 20

約数和(自身を含む): 65849952

約数和(自身を除く): 37527472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354031, 708062, 1416124, 1770155, 2832248, 3540310, 5664496, 7080620, 14161240, 28322480]

約数ペア:

[(1, 28322480), (2, 14161240), (4, 7080620), (5, 5664496), (8, 3540310), (10, 2832248), (16, 1770155), (20, 1416124), (40, 708062), (80, 354031)]