51441880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4481}}^1$

素因数の和:4540

約数の個数: 64

約数和(自身を含む): 135535680

約数和(自身を除く): 84093800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 4481, 5740, 8962, 11480, 17924, 22405, 31367, 35848, 44810, 62734, 89620, 125468, 156835, 179240, 183721, 250936, 313670, 367442, 627340, 734884, 918605, 1254680, 1286047, 1469768, 1837210, 2572094, 3674420, 5144188, 6430235, 7348840, 10288376, 12860470, 25720940, 51441880]

約数ペア:

[(1, 51441880), (2, 25720940), (4, 12860470), (5, 10288376), (7, 7348840), (8, 6430235), (10, 5144188), (14, 3674420), (20, 2572094), (28, 1837210), (35, 1469768), (40, 1286047), (41, 1254680), (56, 918605), (70, 734884), (82, 627340), (140, 367442), (164, 313670), (205, 250936), (280, 183721), (287, 179240), (328, 156835), (410, 125468), (574, 89620), (820, 62734), (1148, 44810), (1435, 35848), (1640, 31367), (2296, 22405), (2870, 17924), (4481, 11480), (5740, 8962)]