27848840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17033

約数の個数: 32

約数和(自身を含む): 64191960

約数和(自身を除く): 36343120

約数列:

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

約数ペア:

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