5125520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 12082560

約数和(自身を除く): 6957040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 811, 1264, 1580, 1622, 3160, 3244, 4055, 6320, 6488, 8110, 12976, 16220, 32440, 64069, 64880, 128138, 256276, 320345, 512552, 640690, 1025104, 1281380, 2562760, 5125520]

約数ペア:

[(1, 5125520), (2, 2562760), (4, 1281380), (5, 1025104), (8, 640690), (10, 512552), (16, 320345), (20, 256276), (40, 128138), (79, 64880), (80, 64069), (158, 32440), (316, 16220), (395, 12976), (632, 8110), (790, 6488), (811, 6320), (1264, 4055), (1580, 3244), (1622, 3160)]