13456720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 31828320

約数和(自身を除く): 18371600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 2851, 4720, 5702, 11404, 14255, 22808, 28510, 45616, 57020, 114040, 168209, 228080, 336418, 672836, 841045, 1345672, 1682090, 2691344, 3364180, 6728360, 13456720]

約数ペア:

[(1, 13456720), (2, 6728360), (4, 3364180), (5, 2691344), (8, 1682090), (10, 1345672), (16, 841045), (20, 672836), (40, 336418), (59, 228080), (80, 168209), (118, 114040), (236, 57020), (295, 45616), (472, 28510), (590, 22808), (944, 14255), (1180, 11404), (2360, 5702), (2851, 4720)]