198080

素因数分解:

$2^6\times 5^1\times {\mathrm{619}}^1$

素因数の和:636

約数の個数: 28

約数和(自身を含む): 472440

約数和(自身を除く): 274360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 619, 1238, 2476, 3095, 4952, 6190, 9904, 12380, 19808, 24760, 39616, 49520, 99040, 198080]

約数ペア:

[(1, 198080), (2, 99040), (4, 49520), (5, 39616), (8, 24760), (10, 19808), (16, 12380), (20, 9904), (32, 6190), (40, 4952), (64, 3095), (80, 2476), (160, 1238), (320, 619)]