42603910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 78336000

約数和(自身を除く): 35732090

約数列:

[1, 2, 5, 10, 79, 158, 199, 271, 395, 398, 542, 790, 995, 1355, 1990, 2710, 15721, 21409, 31442, 42818, 53929, 78605, 107045, 107858, 157210, 214090, 269645, 539290, 4260391, 8520782, 21301955, 42603910]

約数ペア:

[(1, 42603910), (2, 21301955), (5, 8520782), (10, 4260391), (79, 539290), (158, 269645), (199, 214090), (271, 157210), (395, 107858), (398, 107045), (542, 78605), (790, 53929), (995, 42818), (1355, 31442), (1990, 21409), (2710, 15721)]