20121012760

素因数分解:

$2^3\times 5^1\times {\mathrm{503025319}}^1$

素因数の和:503025330

約数の個数: 16

約数和(自身を含む): 45272278800

約数和(自身を除く): 25151266040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503025319, 1006050638, 2012101276, 2515126595, 4024202552, 5030253190, 10060506380, 20121012760]

約数ペア:

[(1, 20121012760), (2, 10060506380), (4, 5030253190), (5, 4024202552), (8, 2515126595), (10, 2012101276), (20, 1006050638), (40, 503025319)]