80004320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 208365696

約数和(自身を除く): 128361376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 131, 160, 176, 220, 262, 347, 352, 440, 524, 655, 694, 880, 1048, 1310, 1388, 1441, 1735, 1760, 2096, 2620, 2776, 2882, 3470, 3817, 4192, 5240, 5552, 5764, 6940, 7205, 7634, 10480, 11104, 11528, 13880, 14410, 15268, 19085, 20960, 23056, 27760, 28820, 30536, 38170, 45457, 46112, 55520, 57640, 61072, 76340, 90914, 115280, 122144, 152680, 181828, 227285, 230560, 305360, 363656, 454570, 500027, 610720, 727312, 909140, 1000054, 1454624, 1818280, 2000108, 2500135, 3636560, 4000216, 5000270, 7273120, 8000432, 10000540, 16000864, 20001080, 40002160, 80004320]

約数ペア:

[(1, 80004320), (2, 40002160), (4, 20001080), (5, 16000864), (8, 10000540), (10, 8000432), (11, 7273120), (16, 5000270), (20, 4000216), (22, 3636560), (32, 2500135), (40, 2000108), (44, 1818280), (55, 1454624), (80, 1000054), (88, 909140), (110, 727312), (131, 610720), (160, 500027), (176, 454570), (220, 363656), (262, 305360), (347, 230560), (352, 227285), (440, 181828), (524, 152680), (655, 122144), (694, 115280), (880, 90914), (1048, 76340), (1310, 61072), (1388, 57640), (1441, 55520), (1735, 46112), (1760, 45457), (2096, 38170), (2620, 30536), (2776, 28820), (2882, 27760), (3470, 23056), (3817, 20960), (4192, 19085), (5240, 15268), (5552, 14410), (5764, 13880), (6940, 11528), (7205, 11104), (7634, 10480)]