115897520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13291}}^1$

素因数の和:13413

約数の個数: 40

約数和(自身を含む): 271954320

約数和(自身を除く): 156056800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 13291, 26582, 53164, 66455, 106328, 132910, 212656, 265820, 531640, 1063280, 1448719, 2897438, 5794876, 7243595, 11589752, 14487190, 23179504, 28974380, 57948760, 115897520]

約数ペア:

[(1, 115897520), (2, 57948760), (4, 28974380), (5, 23179504), (8, 14487190), (10, 11589752), (16, 7243595), (20, 5794876), (40, 2897438), (80, 1448719), (109, 1063280), (218, 531640), (436, 265820), (545, 212656), (872, 132910), (1090, 106328), (1744, 66455), (2180, 53164), (4360, 26582), (8720, 13291)]