5198890000

素因数分解:

$2^4\times 5^4\times {\mathrm{519889}}^1$

素因数の和:519917

約数の個数: 50

約数和(自身を含む): 12587056790

約数和(自身を除く): 7388166790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 519889, 1039778, 2079556, 2599445, 4159112, 5198890, 8318224, 10397780, 12997225, 20795560, 25994450, 41591120, 51988900, 64986125, 103977800, 129972250, 207955600, 259944500, 324930625, 519889000, 649861250, 1039778000, 1299722500, 2599445000, 5198890000]

約数ペア:

[(1, 5198890000), (2, 2599445000), (4, 1299722500), (5, 1039778000), (8, 649861250), (10, 519889000), (16, 324930625), (20, 259944500), (25, 207955600), (40, 129972250), (50, 103977800), (80, 64986125), (100, 51988900), (125, 41591120), (200, 25994450), (250, 20795560), (400, 12997225), (500, 10397780), (625, 8318224), (1000, 5198890), (1250, 4159112), (2000, 2599445), (2500, 2079556), (5000, 1039778), (10000, 519889)]