20130290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87523}}^1$

素因数の和:87553

約数の個数: 16

約数和(自身を含む): 37810368

約数和(自身を除く): 17680078

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87523, 175046, 437615, 875230, 2013029, 4026058, 10065145, 20130290]

約数ペア:

[(1, 20130290), (2, 10065145), (5, 4026058), (10, 2013029), (23, 875230), (46, 437615), (115, 175046), (230, 87523)]