26163220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 31494380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 571, 580, 790, 1142, 1580, 2284, 2291, 2855, 4582, 5710, 9164, 11420, 11455, 16559, 22910, 33118, 45109, 45820, 66236, 82795, 90218, 165590, 180436, 225545, 331180, 451090, 902180, 1308161, 2616322, 5232644, 6540805, 13081610, 26163220]

約数ペア:

[(1, 26163220), (2, 13081610), (4, 6540805), (5, 5232644), (10, 2616322), (20, 1308161), (29, 902180), (58, 451090), (79, 331180), (116, 225545), (145, 180436), (158, 165590), (290, 90218), (316, 82795), (395, 66236), (571, 45820), (580, 45109), (790, 33118), (1142, 22910), (1580, 16559), (2284, 11455), (2291, 11420), (2855, 9164), (4582, 5710)]