78907240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29443}}^1$

素因数の和:29521

約数の個数: 32

約数和(自身を含む): 180197280

約数和(自身を除く): 101290040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29443, 58886, 117772, 147215, 235544, 294430, 588860, 1177720, 1972681, 3945362, 7890724, 9863405, 15781448, 19726810, 39453620, 78907240]

約数ペア:

[(1, 78907240), (2, 39453620), (4, 19726810), (5, 15781448), (8, 9863405), (10, 7890724), (20, 3945362), (40, 1972681), (67, 1177720), (134, 588860), (268, 294430), (335, 235544), (536, 147215), (670, 117772), (1340, 58886), (2680, 29443)]