42785360

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2081}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 99911016

約数和(自身を除く): 57125656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2081, 2570, 4112, 4162, 5140, 8324, 10280, 10405, 16648, 20560, 20810, 33296, 41620, 83240, 166480, 534817, 1069634, 2139268, 2674085, 4278536, 5348170, 8557072, 10696340, 21392680, 42785360]

約数ペア:

[(1, 42785360), (2, 21392680), (4, 10696340), (5, 8557072), (8, 5348170), (10, 4278536), (16, 2674085), (20, 2139268), (40, 1069634), (80, 534817), (257, 166480), (514, 83240), (1028, 41620), (1285, 33296), (2056, 20810), (2081, 20560), (2570, 16648), (4112, 10405), (4162, 10280), (5140, 8324)]