28526560

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 67958352

約数和(自身を除く): 39431792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 1361, 2096, 2620, 2722, 4192, 5240, 5444, 6805, 10480, 10888, 13610, 20960, 21776, 27220, 43552, 54440, 108880, 178291, 217760, 356582, 713164, 891455, 1426328, 1782910, 2852656, 3565820, 5705312, 7131640, 14263280, 28526560]

約数ペア:

[(1, 28526560), (2, 14263280), (4, 7131640), (5, 5705312), (8, 3565820), (10, 2852656), (16, 1782910), (20, 1426328), (32, 891455), (40, 713164), (80, 356582), (131, 217760), (160, 178291), (262, 108880), (524, 54440), (655, 43552), (1048, 27220), (1310, 21776), (1361, 20960), (2096, 13610), (2620, 10888), (2722, 10480), (4192, 6805), (5240, 5444)]