129681040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55897}}^1$

素因数の和:55939

約数の個数: 40

約数和(自身を含む): 311910840

約数和(自身を除く): 182229800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55897, 111794, 223588, 279485, 447176, 558970, 894352, 1117940, 1621013, 2235880, 3242026, 4471760, 6484052, 8105065, 12968104, 16210130, 25936208, 32420260, 64840520, 129681040]

約数ペア:

[(1, 129681040), (2, 64840520), (4, 32420260), (5, 25936208), (8, 16210130), (10, 12968104), (16, 8105065), (20, 6484052), (29, 4471760), (40, 3242026), (58, 2235880), (80, 1621013), (116, 1117940), (145, 894352), (232, 558970), (290, 447176), (464, 279485), (580, 223588), (1160, 111794), (2320, 55897)]