1969740560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{572599}}^1$

素因数の和:572655

約数の個数: 40

約数和(自身を含む): 4686158400

約数和(自身を除く): 2716417840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 572599, 1145198, 2290396, 2862995, 4580792, 5725990, 9161584, 11451980, 22903960, 24621757, 45807920, 49243514, 98487028, 123108785, 196974056, 246217570, 393948112, 492435140, 984870280, 1969740560]

約数ペア:

[(1, 1969740560), (2, 984870280), (4, 492435140), (5, 393948112), (8, 246217570), (10, 196974056), (16, 123108785), (20, 98487028), (40, 49243514), (43, 45807920), (80, 24621757), (86, 22903960), (172, 11451980), (215, 9161584), (344, 5725990), (430, 4580792), (688, 2862995), (860, 2290396), (1720, 1145198), (3440, 572599)]