38180020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 83126736

約数和(自身を除く): 44946716

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 461, 505, 820, 922, 1010, 1844, 2020, 2305, 4141, 4610, 8282, 9220, 16564, 18901, 20705, 37802, 41410, 46561, 75604, 82820, 93122, 94505, 186244, 189010, 232805, 378020, 465610, 931220, 1909001, 3818002, 7636004, 9545005, 19090010, 38180020]

約数ペア:

[(1, 38180020), (2, 19090010), (4, 9545005), (5, 7636004), (10, 3818002), (20, 1909001), (41, 931220), (82, 465610), (101, 378020), (164, 232805), (202, 189010), (205, 186244), (404, 94505), (410, 93122), (461, 82820), (505, 75604), (820, 46561), (922, 41410), (1010, 37802), (1844, 20705), (2020, 18901), (2305, 16564), (4141, 9220), (4610, 8282)]