89820380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345463}}^1$

素因数の和:345485

約数の個数: 24

約数和(自身を含む): 203132832

約数和(自身を除く): 113312452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 345463, 690926, 1381852, 1727315, 3454630, 4491019, 6909260, 8982038, 17964076, 22455095, 44910190, 89820380]

約数ペア:

[(1, 89820380), (2, 44910190), (4, 22455095), (5, 17964076), (10, 8982038), (13, 6909260), (20, 4491019), (26, 3454630), (52, 1727315), (65, 1381852), (130, 690926), (260, 345463)]