87394840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168067}}^1$

素因数の和:168091

約数の個数: 32

約数和(自身を含む): 211765680

約数和(自身を除く): 124370840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 168067, 336134, 672268, 840335, 1344536, 1680670, 2184871, 3361340, 4369742, 6722680, 8739484, 10924355, 17478968, 21848710, 43697420, 87394840]

約数ペア:

[(1, 87394840), (2, 43697420), (4, 21848710), (5, 17478968), (8, 10924355), (10, 8739484), (13, 6722680), (20, 4369742), (26, 3361340), (40, 2184871), (52, 1680670), (65, 1344536), (104, 840335), (130, 672268), (260, 336134), (520, 168067)]