66795800

素因数分解:

$2^3\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1009}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 155923800

約数和(自身を除く): 89128000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 331, 662, 1009, 1324, 1655, 2018, 2648, 3310, 4036, 5045, 6620, 8072, 8275, 10090, 13240, 16550, 20180, 25225, 33100, 40360, 50450, 66200, 100900, 201800, 333979, 667958, 1335916, 1669895, 2671832, 3339790, 6679580, 8349475, 13359160, 16698950, 33397900, 66795800]

約数ペア:

[(1, 66795800), (2, 33397900), (4, 16698950), (5, 13359160), (8, 8349475), (10, 6679580), (20, 3339790), (25, 2671832), (40, 1669895), (50, 1335916), (100, 667958), (200, 333979), (331, 201800), (662, 100900), (1009, 66200), (1324, 50450), (1655, 40360), (2018, 33100), (2648, 25225), (3310, 20180), (4036, 16550), (5045, 13240), (6620, 10090), (8072, 8275)]