51640340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 111585600

約数和(自身を除く): 59945260

約数列:

[1, 2, 4, 5, 10, 20, 59, 107, 118, 214, 236, 295, 409, 428, 535, 590, 818, 1070, 1180, 1636, 2045, 2140, 4090, 6313, 8180, 12626, 24131, 25252, 31565, 43763, 48262, 63130, 87526, 96524, 120655, 126260, 175052, 218815, 241310, 437630, 482620, 875260, 2582017, 5164034, 10328068, 12910085, 25820170, 51640340]

約数ペア:

[(1, 51640340), (2, 25820170), (4, 12910085), (5, 10328068), (10, 5164034), (20, 2582017), (59, 875260), (107, 482620), (118, 437630), (214, 241310), (236, 218815), (295, 175052), (409, 126260), (428, 120655), (535, 96524), (590, 87526), (818, 63130), (1070, 48262), (1180, 43763), (1636, 31565), (2045, 25252), (2140, 24131), (4090, 12626), (6313, 8180)]