21962800

素因数分解:

$2^4\times 5^2\times {\mathrm{54907}}^1$

素因数の和:54925

約数の個数: 30

約数和(自身を含む): 52766588

約数和(自身を除く): 30803788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54907, 109814, 219628, 274535, 439256, 549070, 878512, 1098140, 1372675, 2196280, 2745350, 4392560, 5490700, 10981400, 21962800]

約数ペア:

[(1, 21962800), (2, 10981400), (4, 5490700), (5, 4392560), (8, 2745350), (10, 2196280), (16, 1372675), (20, 1098140), (25, 878512), (40, 549070), (50, 439256), (80, 274535), (100, 219628), (200, 109814), (400, 54907)]