84940720

素因数分解:

$2^4\times 5^1\times {\mathrm{1061759}}^1$

素因数の和:1061772

約数の個数: 20

約数和(自身を含む): 197487360

約数和(自身を除く): 112546640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061759, 2123518, 4247036, 5308795, 8494072, 10617590, 16988144, 21235180, 42470360, 84940720]

約数ペア:

[(1, 84940720), (2, 42470360), (4, 21235180), (5, 16988144), (8, 10617590), (10, 8494072), (16, 5308795), (20, 4247036), (40, 2123518), (80, 1061759)]