4157660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16013

約数の個数: 24

約数和(自身を含む): 9403296

約数和(自身を除く): 5245636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15991, 31982, 63964, 79955, 159910, 207883, 319820, 415766, 831532, 1039415, 2078830, 4157660]

約数ペア:

[(1, 4157660), (2, 2078830), (4, 1039415), (5, 831532), (10, 415766), (13, 319820), (20, 207883), (26, 159910), (52, 79955), (65, 63964), (130, 31982), (260, 15991)]