12685660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 29042496

約数和(自身を除く): 16356836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 503, 970, 1006, 1261, 1940, 2012, 2515, 2522, 5030, 5044, 6305, 6539, 10060, 12610, 13078, 25220, 26156, 32695, 48791, 65390, 97582, 130780, 195164, 243955, 487910, 634283, 975820, 1268566, 2537132, 3171415, 6342830, 12685660]

約数ペア:

[(1, 12685660), (2, 6342830), (4, 3171415), (5, 2537132), (10, 1268566), (13, 975820), (20, 634283), (26, 487910), (52, 243955), (65, 195164), (97, 130780), (130, 97582), (194, 65390), (260, 48791), (388, 32695), (485, 26156), (503, 25220), (970, 13078), (1006, 12610), (1261, 10060), (1940, 6539), (2012, 6305), (2515, 5044), (2522, 5030)]