256961080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{95881}}^1$

素因数の和:95959

約数の個数: 32

約数和(自身を含む): 586797840

約数和(自身を除く): 329836760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 95881, 191762, 383524, 479405, 767048, 958810, 1917620, 3835240, 6424027, 12848054, 25696108, 32120135, 51392216, 64240270, 128480540, 256961080]

約数ペア:

[(1, 256961080), (2, 128480540), (4, 64240270), (5, 51392216), (8, 32120135), (10, 25696108), (20, 12848054), (40, 6424027), (67, 3835240), (134, 1917620), (268, 958810), (335, 767048), (536, 479405), (670, 383524), (1340, 191762), (2680, 95881)]