38446480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4409}}^1$

素因数の和:4531

約数の個数: 40

約数和(自身を含む): 90228600

約数和(自身を除く): 51782120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4409, 8720, 8818, 17636, 22045, 35272, 44090, 70544, 88180, 176360, 352720, 480581, 961162, 1922324, 2402905, 3844648, 4805810, 7689296, 9611620, 19223240, 38446480]

約数ペア:

[(1, 38446480), (2, 19223240), (4, 9611620), (5, 7689296), (8, 4805810), (10, 3844648), (16, 2402905), (20, 1922324), (40, 961162), (80, 480581), (109, 352720), (218, 176360), (436, 88180), (545, 70544), (872, 44090), (1090, 35272), (1744, 22045), (2180, 17636), (4360, 8818), (4409, 8720)]