80691728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 178488576

約数和(自身を除く): 97796848

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 101, 104, 167, 184, 202, 208, 299, 334, 368, 404, 598, 668, 808, 1196, 1313, 1336, 1616, 2171, 2323, 2392, 2626, 2672, 3841, 4342, 4646, 4784, 5252, 7682, 8684, 9292, 10504, 15364, 16867, 17368, 18584, 21008, 30199, 30728, 33734, 34736, 37168, 49933, 60398, 61456, 67468, 99866, 120796, 134936, 199732, 219271, 241592, 269872, 387941, 399464, 438542, 483184, 775882, 798928, 877084, 1551764, 1754168, 3103528, 3508336, 5043233, 6207056, 10086466, 20172932, 40345864, 80691728]

約数ペア:

[(1, 80691728), (2, 40345864), (4, 20172932), (8, 10086466), (13, 6207056), (16, 5043233), (23, 3508336), (26, 3103528), (46, 1754168), (52, 1551764), (92, 877084), (101, 798928), (104, 775882), (167, 483184), (184, 438542), (202, 399464), (208, 387941), (299, 269872), (334, 241592), (368, 219271), (404, 199732), (598, 134936), (668, 120796), (808, 99866), (1196, 67468), (1313, 61456), (1336, 60398), (1616, 49933), (2171, 37168), (2323, 34736), (2392, 33734), (2626, 30728), (2672, 30199), (3841, 21008), (4342, 18584), (4646, 17368), (4784, 16867), (5252, 15364), (7682, 10504), (8684, 9292)]