859634120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{320759}}^1$

素因数の和:320837

約数の個数: 32

約数和(自身を含む): 1963051200

約数和(自身を除く): 1103417080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 320759, 641518, 1283036, 1603795, 2566072, 3207590, 6415180, 12830360, 21490853, 42981706, 85963412, 107454265, 171926824, 214908530, 429817060, 859634120]

約数ペア:

[(1, 859634120), (2, 429817060), (4, 214908530), (5, 171926824), (8, 107454265), (10, 85963412), (20, 42981706), (40, 21490853), (67, 12830360), (134, 6415180), (268, 3207590), (335, 2566072), (536, 1603795), (670, 1283036), (1340, 641518), (2680, 320759)]