2016263980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{12953}}^1$

素因数の和:13186

約数の個数: 48

約数和(自身を含む): 4356896544

約数和(自身を除く): 2340632564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1810, 3620, 7783, 12953, 15566, 25906, 31132, 38915, 51812, 64765, 77830, 129530, 155660, 259060, 556979, 1113958, 2227916, 2344493, 2784895, 4688986, 5569790, 9377972, 11139580, 11722465, 23444930, 46889860, 100813199, 201626398, 403252796, 504065995, 1008131990, 2016263980]

約数ペア:

[(1, 2016263980), (2, 1008131990), (4, 504065995), (5, 403252796), (10, 201626398), (20, 100813199), (43, 46889860), (86, 23444930), (172, 11722465), (181, 11139580), (215, 9377972), (362, 5569790), (430, 4688986), (724, 2784895), (860, 2344493), (905, 2227916), (1810, 1113958), (3620, 556979), (7783, 259060), (12953, 155660), (15566, 129530), (25906, 77830), (31132, 64765), (38915, 51812)]