82008320

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 199167360

約数和(自身を除く): 117159040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 811, 1264, 1280, 1580, 1622, 2528, 3160, 3244, 4055, 5056, 6320, 6488, 8110, 10112, 12640, 12976, 16220, 20224, 25280, 25952, 32440, 50560, 51904, 64069, 64880, 101120, 103808, 128138, 129760, 207616, 256276, 259520, 320345, 512552, 519040, 640690, 1025104, 1038080, 1281380, 2050208, 2562760, 4100416, 5125520, 8200832, 10251040, 16401664, 20502080, 41004160, 82008320]

約数ペア:

[(1, 82008320), (2, 41004160), (4, 20502080), (5, 16401664), (8, 10251040), (10, 8200832), (16, 5125520), (20, 4100416), (32, 2562760), (40, 2050208), (64, 1281380), (79, 1038080), (80, 1025104), (128, 640690), (158, 519040), (160, 512552), (256, 320345), (316, 259520), (320, 256276), (395, 207616), (632, 129760), (640, 128138), (790, 103808), (811, 101120), (1264, 64880), (1280, 64069), (1580, 51904), (1622, 50560), (2528, 32440), (3160, 25952), (3244, 25280), (4055, 20224), (5056, 16220), (6320, 12976), (6488, 12640), (8110, 10112)]