11917520

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 27855360

約数和(自身を除く): 15937840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 479, 622, 958, 1244, 1555, 1916, 2395, 2488, 3110, 3832, 4790, 4976, 6220, 7664, 9580, 12440, 19160, 24880, 38320, 148969, 297938, 595876, 744845, 1191752, 1489690, 2383504, 2979380, 5958760, 11917520]

約数ペア:

[(1, 11917520), (2, 5958760), (4, 2979380), (5, 2383504), (8, 1489690), (10, 1191752), (16, 744845), (20, 595876), (40, 297938), (80, 148969), (311, 38320), (479, 24880), (622, 19160), (958, 12440), (1244, 9580), (1555, 7664), (1916, 6220), (2395, 4976), (2488, 4790), (3110, 3832)]