207637240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20681}}^1$

素因数の和:20943

約数の個数: 32

約数和(自身を含む): 469067760

約数和(自身を除く): 261430520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 827240, 5190931, 10381862, 20763724, 25954655, 41527448, 51909310, 103818620, 207637240]

約数ペア:

[(1, 207637240), (2, 103818620), (4, 51909310), (5, 41527448), (8, 25954655), (10, 20763724), (20, 10381862), (40, 5190931), (251, 827240), (502, 413620), (1004, 206810), (1255, 165448), (2008, 103405), (2510, 82724), (5020, 41362), (10040, 20681)]