84451600

素因数分解:

$2^4\times 5^2\times {\mathrm{211129}}^1$

素因数の和:211147

約数の個数: 30

約数和(自身を含む): 202895930

約数和(自身を除く): 118444330

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 211129, 422258, 844516, 1055645, 1689032, 2111290, 3378064, 4222580, 5278225, 8445160, 10556450, 16890320, 21112900, 42225800, 84451600]

約数ペア:

[(1, 84451600), (2, 42225800), (4, 21112900), (5, 16890320), (8, 10556450), (10, 8445160), (16, 5278225), (20, 4222580), (25, 3378064), (40, 2111290), (50, 1689032), (80, 1055645), (100, 844516), (200, 422258), (400, 211129)]