38899760

素因数分解:

$2^4\times 5^1\times {\mathrm{486247}}^1$

素因数の和:486260

約数の個数: 20

約数和(自身を含む): 90442128

約数和(自身を除く): 51542368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486247, 972494, 1944988, 2431235, 3889976, 4862470, 7779952, 9724940, 19449880, 38899760]

約数ペア:

[(1, 38899760), (2, 19449880), (4, 9724940), (5, 7779952), (8, 4862470), (10, 3889976), (16, 2431235), (20, 1944988), (40, 972494), (80, 486247)]