12906980

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 27179712

約数和(自身を除く): 14272732

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1283, 2012, 2515, 2566, 5030, 5132, 6415, 10060, 12830, 25660, 645349, 1290698, 2581396, 3226745, 6453490, 12906980]

約数ペア:

[(1, 12906980), (2, 6453490), (4, 3226745), (5, 2581396), (10, 1290698), (20, 645349), (503, 25660), (1006, 12830), (1283, 10060), (2012, 6415), (2515, 5132), (2566, 5030)]