126407320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243091}}^1$

素因数の和:243115

約数の個数: 32

約数和(自身を含む): 306295920

約数和(自身を除く): 179888600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 243091, 486182, 972364, 1215455, 1944728, 2430910, 3160183, 4861820, 6320366, 9723640, 12640732, 15800915, 25281464, 31601830, 63203660, 126407320]

約数ペア:

[(1, 126407320), (2, 63203660), (4, 31601830), (5, 25281464), (8, 15800915), (10, 12640732), (13, 9723640), (20, 6320366), (26, 4861820), (40, 3160183), (52, 2430910), (65, 1944728), (104, 1215455), (130, 972364), (260, 486182), (520, 243091)]