197696560

素因数分解:

$2^4\times 5^1\times {\mathrm{2471207}}^1$

素因数の和:2471220

約数の個数: 20

約数和(自身を含む): 459644688

約数和(自身を除く): 261948128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2471207, 4942414, 9884828, 12356035, 19769656, 24712070, 39539312, 49424140, 98848280, 197696560]

約数ペア:

[(1, 197696560), (2, 98848280), (4, 49424140), (5, 39539312), (8, 24712070), (10, 19769656), (16, 12356035), (20, 9884828), (40, 4942414), (80, 2471207)]