2018096269520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{791311}}^1$

素因数の和:791844

約数の個数: 80

約数和(自身を含む): 4768762636800

約数和(自身を除く): 2750666367280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 449, 568, 710, 898, 1136, 1420, 1796, 2245, 2840, 3592, 4490, 5680, 7184, 8980, 17960, 31879, 35920, 63758, 127516, 159395, 255032, 318790, 510064, 637580, 791311, 1275160, 1582622, 2550320, 3165244, 3956555, 6330488, 7913110, 12660976, 15826220, 31652440, 56183081, 63304880, 112366162, 224732324, 280915405, 355298639, 449464648, 561830810, 710597278, 898929296, 1123661620, 1421194556, 1776493195, 2247323240, 2842389112, 3552986390, 4494646480, 5684778224, 7105972780, 14211945560, 25226203369, 28423891120, 50452406738, 100904813476, 126131016845, 201809626952, 252262033690, 403619253904, 504524067380, 1009048134760, 2018096269520]

約数ペア:

[(1, 2018096269520), (2, 1009048134760), (4, 504524067380), (5, 403619253904), (8, 252262033690), (10, 201809626952), (16, 126131016845), (20, 100904813476), (40, 50452406738), (71, 28423891120), (80, 25226203369), (142, 14211945560), (284, 7105972780), (355, 5684778224), (449, 4494646480), (568, 3552986390), (710, 2842389112), (898, 2247323240), (1136, 1776493195), (1420, 1421194556), (1796, 1123661620), (2245, 898929296), (2840, 710597278), (3592, 561830810), (4490, 449464648), (5680, 355298639), (7184, 280915405), (8980, 224732324), (17960, 112366162), (31879, 63304880), (35920, 56183081), (63758, 31652440), (127516, 15826220), (159395, 12660976), (255032, 7913110), (318790, 6330488), (510064, 3956555), (637580, 3165244), (791311, 2550320), (1275160, 1582622)]