201530440

素因数分解:

$2^3\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{2287}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 453847680

約数和(自身を除く): 252317240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2203, 2287, 4406, 4574, 8812, 9148, 11015, 11435, 17624, 18296, 22030, 22870, 44060, 45740, 88120, 91480, 5038261, 10076522, 20153044, 25191305, 40306088, 50382610, 100765220, 201530440]

約数ペア:

[(1, 201530440), (2, 100765220), (4, 50382610), (5, 40306088), (8, 25191305), (10, 20153044), (20, 10076522), (40, 5038261), (2203, 91480), (2287, 88120), (4406, 45740), (4574, 44060), (8812, 22870), (9148, 22030), (11015, 18296), (11435, 17624)]