31620440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27259}}^1$

素因数の和:27299

約数の個数: 32

約数和(自身を含む): 73602000

約数和(自身を除く): 41981560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 27259, 54518, 109036, 136295, 218072, 272590, 545180, 790511, 1090360, 1581022, 3162044, 3952555, 6324088, 7905110, 15810220, 31620440]

約数ペア:

[(1, 31620440), (2, 15810220), (4, 7905110), (5, 6324088), (8, 3952555), (10, 3162044), (20, 1581022), (29, 1090360), (40, 790511), (58, 545180), (116, 272590), (145, 218072), (232, 136295), (290, 109036), (580, 54518), (1160, 27259)]