42689660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164191}}^1$

素因数の和:164213

約数の個数: 24

約数和(自身を含む): 96544896

約数和(自身を除く): 53855236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164191, 328382, 656764, 820955, 1641910, 2134483, 3283820, 4268966, 8537932, 10672415, 21344830, 42689660]

約数ペア:

[(1, 42689660), (2, 21344830), (4, 10672415), (5, 8537932), (10, 4268966), (13, 3283820), (20, 2134483), (26, 1641910), (52, 820955), (65, 656764), (130, 328382), (260, 164191)]