2012396560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{584999}}^1$

素因数の和:585055

約数の個数: 40

約数和(自身を含む): 4787640000

約数和(自身を除く): 2775243440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 584999, 1169998, 2339996, 2924995, 4679992, 5849990, 9359984, 11699980, 23399960, 25154957, 46799920, 50309914, 100619828, 125774785, 201239656, 251549570, 402479312, 503099140, 1006198280, 2012396560]

約数ペア:

[(1, 2012396560), (2, 1006198280), (4, 503099140), (5, 402479312), (8, 251549570), (10, 201239656), (16, 125774785), (20, 100619828), (40, 50309914), (43, 46799920), (80, 25154957), (86, 23399960), (172, 11699980), (215, 9359984), (344, 5849990), (430, 4679992), (688, 2924995), (860, 2339996), (1720, 1169998), (3440, 584999)]