132640040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255077}}^1$

素因数の和:255101

約数の個数: 32

約数和(自身を含む): 321398280

約数和(自身を除く): 188758240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 255077, 510154, 1020308, 1275385, 2040616, 2550770, 3316001, 5101540, 6632002, 10203080, 13264004, 16580005, 26528008, 33160010, 66320020, 132640040]

約数ペア:

[(1, 132640040), (2, 66320020), (4, 33160010), (5, 26528008), (8, 16580005), (10, 13264004), (13, 10203080), (20, 6632002), (26, 5101540), (40, 3316001), (52, 2550770), (65, 2040616), (104, 1275385), (130, 1020308), (260, 510154), (520, 255077)]