4028565560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{19979}}^1$

素因数の和:20132

約数の個数: 48

約数和(自身を含む): 9194196600

約数和(自身を除く): 5165631040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5041, 10082, 19979, 20164, 25205, 39958, 40328, 50410, 79916, 99895, 100820, 159832, 199790, 201640, 399580, 799160, 1418509, 2837018, 5674036, 7092545, 11348072, 14185090, 28370180, 56740360, 100714139, 201428278, 402856556, 503570695, 805713112, 1007141390, 2014282780, 4028565560]

約数ペア:

[(1, 4028565560), (2, 2014282780), (4, 1007141390), (5, 805713112), (8, 503570695), (10, 402856556), (20, 201428278), (40, 100714139), (71, 56740360), (142, 28370180), (284, 14185090), (355, 11348072), (568, 7092545), (710, 5674036), (1420, 2837018), (2840, 1418509), (5041, 799160), (10082, 399580), (19979, 201640), (20164, 199790), (25205, 159832), (39958, 100820), (40328, 99895), (50410, 79916)]