155287240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{57943}}^1$

素因数の和:58021

約数の個数: 32

約数和(自身を含む): 354617280

約数和(自身を除く): 199330040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 57943, 115886, 231772, 289715, 463544, 579430, 1158860, 2317720, 3882181, 7764362, 15528724, 19410905, 31057448, 38821810, 77643620, 155287240]

約数ペア:

[(1, 155287240), (2, 77643620), (4, 38821810), (5, 31057448), (8, 19410905), (10, 15528724), (20, 7764362), (40, 3882181), (67, 2317720), (134, 1158860), (268, 579430), (335, 463544), (536, 289715), (670, 231772), (1340, 115886), (2680, 57943)]