78750880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37861}}^1$

素因数の和:37889

約数の個数: 48

約数和(自身を含む): 200365704

約数和(自身を除く): 121614824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37861, 75722, 151444, 189305, 302888, 378610, 492193, 605776, 757220, 984386, 1211552, 1514440, 1968772, 2460965, 3028880, 3937544, 4921930, 6057760, 7875088, 9843860, 15750176, 19687720, 39375440, 78750880]

約数ペア:

[(1, 78750880), (2, 39375440), (4, 19687720), (5, 15750176), (8, 9843860), (10, 7875088), (13, 6057760), (16, 4921930), (20, 3937544), (26, 3028880), (32, 2460965), (40, 1968772), (52, 1514440), (65, 1211552), (80, 984386), (104, 757220), (130, 605776), (160, 492193), (208, 378610), (260, 302888), (416, 189305), (520, 151444), (1040, 75722), (2080, 37861)]