8389804580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{167729}}^1$

素因数の和:167840

約数の個数: 48

約数和(自身を含む): 18344294640

約数和(自身を除く): 9954490060

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 5002, 10004, 12505, 25010, 50020, 167729, 335458, 670916, 838645, 1677290, 3354580, 6876889, 10231469, 13753778, 20462938, 27507556, 34384445, 40925876, 51157345, 68768890, 102314690, 137537780, 204629380, 419490229, 838980458, 1677960916, 2097451145, 4194902290, 8389804580]

約数ペア:

[(1, 8389804580), (2, 4194902290), (4, 2097451145), (5, 1677960916), (10, 838980458), (20, 419490229), (41, 204629380), (61, 137537780), (82, 102314690), (122, 68768890), (164, 51157345), (205, 40925876), (244, 34384445), (305, 27507556), (410, 20462938), (610, 13753778), (820, 10231469), (1220, 6876889), (2501, 3354580), (5002, 1677290), (10004, 838645), (12505, 670916), (25010, 335458), (50020, 167729)]