28900480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6477

約数の個数: 64

約数和(自身を含む): 78972480

約数和(自身を除く): 50072000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6451, 12902, 25804, 32255, 45157, 51608, 64510, 90314, 103216, 129020, 180628, 206432, 225785, 258040, 361256, 412864, 451570, 516080, 722512, 825728, 903140, 1032160, 1445024, 1806280, 2064320, 2890048, 3612560, 4128640, 5780096, 7225120, 14450240, 28900480]

約数ペア:

[(1, 28900480), (2, 14450240), (4, 7225120), (5, 5780096), (7, 4128640), (8, 3612560), (10, 2890048), (14, 2064320), (16, 1806280), (20, 1445024), (28, 1032160), (32, 903140), (35, 825728), (40, 722512), (56, 516080), (64, 451570), (70, 412864), (80, 361256), (112, 258040), (128, 225785), (140, 206432), (160, 180628), (224, 129020), (280, 103216), (320, 90314), (448, 64510), (560, 51608), (640, 45157), (896, 32255), (1120, 25804), (2240, 12902), (4480, 6451)]