39816220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 88216128

約数和(自身を除く): 48399908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 857, 1010, 1714, 2020, 2323, 3428, 4285, 4646, 8570, 9292, 11615, 17140, 19711, 23230, 39422, 46460, 78844, 86557, 98555, 173114, 197110, 346228, 394220, 432785, 865570, 1731140, 1990811, 3981622, 7963244, 9954055, 19908110, 39816220]

約数ペア:

[(1, 39816220), (2, 19908110), (4, 9954055), (5, 7963244), (10, 3981622), (20, 1990811), (23, 1731140), (46, 865570), (92, 432785), (101, 394220), (115, 346228), (202, 197110), (230, 173114), (404, 98555), (460, 86557), (505, 78844), (857, 46460), (1010, 39422), (1714, 23230), (2020, 19711), (2323, 17140), (3428, 11615), (4285, 9292), (4646, 8570)]