518080

素因数分解:

$2^6\times 5^1\times {\mathrm{1619}}^1$

素因数の和:1636

約数の個数: 28

約数和(自身を含む): 1234440

約数和(自身を除く): 716360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1619, 3238, 6476, 8095, 12952, 16190, 25904, 32380, 51808, 64760, 103616, 129520, 259040, 518080]

約数ペア:

[(1, 518080), (2, 259040), (4, 129520), (5, 103616), (8, 64760), (10, 51808), (16, 32380), (20, 25904), (32, 16190), (40, 12952), (64, 8095), (80, 6476), (160, 3238), (320, 1619)]