55697680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17035

約数の個数: 40

約数和(自身を含む): 132663384

約数和(自身を除く): 76965704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16981, 33962, 67924, 84905, 135848, 169810, 271696, 339620, 679240, 696221, 1358480, 1392442, 2784884, 3481105, 5569768, 6962210, 11139536, 13924420, 27848840, 55697680]

約数ペア:

[(1, 55697680), (2, 27848840), (4, 13924420), (5, 11139536), (8, 6962210), (10, 5569768), (16, 3481105), (20, 2784884), (40, 1392442), (41, 1358480), (80, 696221), (82, 679240), (164, 339620), (205, 271696), (328, 169810), (410, 135848), (656, 84905), (820, 67924), (1640, 33962), (3280, 16981)]