2008596560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{612377}}^1$

素因数の和:612431

約数の個数: 40

約数和(自身を含む): 4783896936

約数和(自身を除く): 2775300376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 612377, 1224754, 2449508, 3061885, 4899016, 6123770, 9798032, 12247540, 24495080, 25107457, 48990160, 50214914, 100429828, 125537285, 200859656, 251074570, 401719312, 502149140, 1004298280, 2008596560]

約数ペア:

[(1, 2008596560), (2, 1004298280), (4, 502149140), (5, 401719312), (8, 251074570), (10, 200859656), (16, 125537285), (20, 100429828), (40, 50214914), (41, 48990160), (80, 25107457), (82, 24495080), (164, 12247540), (205, 9798032), (328, 6123770), (410, 4899016), (656, 3061885), (820, 2449508), (1640, 1224754), (3280, 612377)]