197016640

素因数分解:

$2^6\times 5^1\times {\mathrm{615677}}^1$

素因数の和:615694

約数の個数: 28

約数和(自身を含む): 469146636

約数和(自身を除く): 272129996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 615677, 1231354, 2462708, 3078385, 4925416, 6156770, 9850832, 12313540, 19701664, 24627080, 39403328, 49254160, 98508320, 197016640]

約数ペア:

[(1, 197016640), (2, 98508320), (4, 49254160), (5, 39403328), (8, 24627080), (10, 19701664), (16, 12313540), (20, 9850832), (32, 6156770), (40, 4925416), (64, 3078385), (80, 2462708), (160, 1231354), (320, 615677)]