71240720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18947}}^1$

素因数の和:19007

約数の個数: 40

約数和(自身を含む): 169167744

約数和(自身を除く): 97927024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 18947, 37894, 75788, 94735, 151576, 189470, 303152, 378940, 757880, 890509, 1515760, 1781018, 3562036, 4452545, 7124072, 8905090, 14248144, 17810180, 35620360, 71240720]

約数ペア:

[(1, 71240720), (2, 35620360), (4, 17810180), (5, 14248144), (8, 8905090), (10, 7124072), (16, 4452545), (20, 3562036), (40, 1781018), (47, 1515760), (80, 890509), (94, 757880), (188, 378940), (235, 303152), (376, 189470), (470, 151576), (752, 94735), (940, 75788), (1880, 37894), (3760, 18947)]