65278210

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{8069}}^1$

素因数の和:8885

約数の個数: 16

約数和(自身を含む): 117660600

約数和(自身を除く): 52382390

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8069, 8090, 16138, 40345, 80690, 6527821, 13055642, 32639105, 65278210]

約数ペア:

[(1, 65278210), (2, 32639105), (5, 13055642), (10, 6527821), (809, 80690), (1618, 40345), (4045, 16138), (8069, 8090)]