31382840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16693}}^1$

素因数の和:16751

約数の個数: 32

約数和(自身を含む): 72118080

約数和(自身を除く): 40735240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16693, 33386, 66772, 83465, 133544, 166930, 333860, 667720, 784571, 1569142, 3138284, 3922855, 6276568, 7845710, 15691420, 31382840]

約数ペア:

[(1, 31382840), (2, 15691420), (4, 7845710), (5, 6276568), (8, 3922855), (10, 3138284), (20, 1569142), (40, 784571), (47, 667720), (94, 333860), (188, 166930), (235, 133544), (376, 83465), (470, 66772), (940, 33386), (1880, 16693)]