199412320

素因数分解:

$2^5\times 5^1\times {\mathrm{1246327}}^1$

素因数の和:1246342

約数の個数: 24

約数和(自身を含む): 471111984

約数和(自身を除く): 271699664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1246327, 2492654, 4985308, 6231635, 9970616, 12463270, 19941232, 24926540, 39882464, 49853080, 99706160, 199412320]

約数ペア:

[(1, 199412320), (2, 99706160), (4, 49853080), (5, 39882464), (8, 24926540), (10, 19941232), (16, 12463270), (20, 9970616), (32, 6231635), (40, 4985308), (80, 2492654), (160, 1246327)]