1608201220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1961221}}^1$

素因数の和:1961271

約数の個数: 24

約数和(自身を含む): 3459595608

約数和(自身を除く): 1851394388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1961221, 3922442, 7844884, 9806105, 19612210, 39224420, 80410061, 160820122, 321640244, 402050305, 804100610, 1608201220]

約数ペア:

[(1, 1608201220), (2, 804100610), (4, 402050305), (5, 321640244), (10, 160820122), (20, 80410061), (41, 39224420), (82, 19612210), (164, 9806105), (205, 7844884), (410, 3922442), (820, 1961221)]