91190320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87683}}^1$

素因数の和:87709

約数の個数: 40

約数和(自身を含む): 228329136

約数和(自身を除く): 137138816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87683, 175366, 350732, 438415, 701464, 876830, 1139879, 1402928, 1753660, 2279758, 3507320, 4559516, 5699395, 7014640, 9119032, 11398790, 18238064, 22797580, 45595160, 91190320]

約数ペア:

[(1, 91190320), (2, 45595160), (4, 22797580), (5, 18238064), (8, 11398790), (10, 9119032), (13, 7014640), (16, 5699395), (20, 4559516), (26, 3507320), (40, 2279758), (52, 1753660), (65, 1402928), (80, 1139879), (104, 876830), (130, 701464), (208, 438415), (260, 350732), (520, 175366), (1040, 87683)]