16945520

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1109}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 39640320

約数和(自身を除く): 22694800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1109, 1528, 1910, 2218, 3056, 3820, 4436, 5545, 7640, 8872, 11090, 15280, 17744, 22180, 44360, 88720, 211819, 423638, 847276, 1059095, 1694552, 2118190, 3389104, 4236380, 8472760, 16945520]

約数ペア:

[(1, 16945520), (2, 8472760), (4, 4236380), (5, 3389104), (8, 2118190), (10, 1694552), (16, 1059095), (20, 847276), (40, 423638), (80, 211819), (191, 88720), (382, 44360), (764, 22180), (955, 17744), (1109, 15280), (1528, 11090), (1910, 8872), (2218, 7640), (3056, 5545), (3820, 4436)]