51190520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 119560320

約数和(自身を除く): 68369800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 373, 376, 470, 584, 730, 746, 940, 1460, 1492, 1865, 1880, 2920, 2984, 3431, 3730, 6862, 7460, 13724, 14920, 17155, 17531, 27229, 27448, 34310, 35062, 54458, 68620, 70124, 87655, 108916, 136145, 137240, 140248, 175310, 217832, 272290, 350620, 544580, 701240, 1089160, 1279763, 2559526, 5119052, 6398815, 10238104, 12797630, 25595260, 51190520]

約数ペア:

[(1, 51190520), (2, 25595260), (4, 12797630), (5, 10238104), (8, 6398815), (10, 5119052), (20, 2559526), (40, 1279763), (47, 1089160), (73, 701240), (94, 544580), (146, 350620), (188, 272290), (235, 217832), (292, 175310), (365, 140248), (373, 137240), (376, 136145), (470, 108916), (584, 87655), (730, 70124), (746, 68620), (940, 54458), (1460, 35062), (1492, 34310), (1865, 27448), (1880, 27229), (2920, 17531), (2984, 17155), (3431, 14920), (3730, 13724), (6862, 7460)]