68714320

素因数分解:

$2^4\times 5^1\times {\mathrm{907}}^1\times {\mathrm{947}}^1$

素因数の和:1867

約数の個数: 40

約数和(自身を含む): 160105824

約数和(自身を除く): 91391504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907, 947, 1814, 1894, 3628, 3788, 4535, 4735, 7256, 7576, 9070, 9470, 14512, 15152, 18140, 18940, 36280, 37880, 72560, 75760, 858929, 1717858, 3435716, 4294645, 6871432, 8589290, 13742864, 17178580, 34357160, 68714320]

約数ペア:

[(1, 68714320), (2, 34357160), (4, 17178580), (5, 13742864), (8, 8589290), (10, 6871432), (16, 4294645), (20, 3435716), (40, 1717858), (80, 858929), (907, 75760), (947, 72560), (1814, 37880), (1894, 36280), (3628, 18940), (3788, 18140), (4535, 15152), (4735, 14512), (7256, 9470), (7576, 9070)]