51491570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{919}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 48663310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 919, 1838, 2155, 4310, 4595, 5603, 9190, 11206, 11947, 23894, 28015, 56030, 59735, 119470, 396089, 792178, 1980445, 3960890, 5149157, 10298314, 25745785, 51491570]

約数ペア:

[(1, 51491570), (2, 25745785), (5, 10298314), (10, 5149157), (13, 3960890), (26, 1980445), (65, 792178), (130, 396089), (431, 119470), (862, 59735), (919, 56030), (1838, 28015), (2155, 23894), (4310, 11947), (4595, 11206), (5603, 9190)]