8090120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4933}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 18650520

約数和(自身を除く): 10560400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4933, 9866, 19732, 24665, 39464, 49330, 98660, 197320, 202253, 404506, 809012, 1011265, 1618024, 2022530, 4045060, 8090120]

約数ペア:

[(1, 8090120), (2, 4045060), (4, 2022530), (5, 1618024), (8, 1011265), (10, 809012), (20, 404506), (40, 202253), (41, 197320), (82, 98660), (164, 49330), (205, 39464), (328, 24665), (410, 19732), (820, 9866), (1640, 4933)]