179660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 406896

約数和(自身を除く): 227236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 1382, 2764, 3455, 6910, 8983, 13820, 17966, 35932, 44915, 89830, 179660]

約数ペア:

[(1, 179660), (2, 89830), (4, 44915), (5, 35932), (10, 17966), (13, 13820), (20, 8983), (26, 6910), (52, 3455), (65, 2764), (130, 1382), (260, 691)]