12897420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5054

約数の個数: 48

約数和(自身を含む): 36960000

約数和(自身を除く): 24062580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 4999, 9998, 14997, 19996, 24995, 29994, 49990, 59988, 74985, 99980, 149970, 214957, 299940, 429914, 644871, 859828, 1074785, 1289742, 2149570, 2579484, 3224355, 4299140, 6448710, 12897420]

約数ペア:

[(1, 12897420), (2, 6448710), (3, 4299140), (4, 3224355), (5, 2579484), (6, 2149570), (10, 1289742), (12, 1074785), (15, 859828), (20, 644871), (30, 429914), (43, 299940), (60, 214957), (86, 149970), (129, 99980), (172, 74985), (215, 59988), (258, 49990), (430, 29994), (516, 24995), (645, 19996), (860, 14997), (1290, 9998), (2580, 4999)]