1996128520

素因数分解:

$2^3\times 5^1\times {\mathrm{49903213}}^1$

素因数の和:49903224

約数の個数: 16

約数和(自身を含む): 4491289260

約数和(自身を除く): 2495160740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49903213, 99806426, 199612852, 249516065, 399225704, 499032130, 998064260, 1996128520]

約数ペア:

[(1, 1996128520), (2, 998064260), (4, 499032130), (5, 399225704), (8, 249516065), (10, 199612852), (20, 99806426), (40, 49903213)]