51867640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117881}}^1$

素因数の和:117903

約数の個数: 32

約数和(自身を含む): 127312560

約数和(自身を除く): 75444920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117881, 235762, 471524, 589405, 943048, 1178810, 1296691, 2357620, 2593382, 4715240, 5186764, 6483455, 10373528, 12966910, 25933820, 51867640]

約数ペア:

[(1, 51867640), (2, 25933820), (4, 12966910), (5, 10373528), (8, 6483455), (10, 5186764), (11, 4715240), (20, 2593382), (22, 2357620), (40, 1296691), (44, 1178810), (55, 943048), (88, 589405), (110, 471524), (220, 235762), (440, 117881)]