42404440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81547}}^1$

素因数の和:81571

約数の個数: 32

約数和(自身を含む): 102750480

約数和(自身を除く): 60346040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81547, 163094, 326188, 407735, 652376, 815470, 1060111, 1630940, 2120222, 3261880, 4240444, 5300555, 8480888, 10601110, 21202220, 42404440]

約数ペア:

[(1, 42404440), (2, 21202220), (4, 10601110), (5, 8480888), (8, 5300555), (10, 4240444), (13, 3261880), (20, 2120222), (26, 1630940), (40, 1060111), (52, 815470), (65, 652376), (104, 407735), (130, 326188), (260, 163094), (520, 81547)]