155767240

素因数分解:

$2^3\times 5^1\times {\mathrm{3894181}}^1$

素因数の和:3894192

約数の個数: 16

約数和(自身を含む): 350476380

約数和(自身を除く): 194709140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3894181, 7788362, 15576724, 19470905, 31153448, 38941810, 77883620, 155767240]

約数ペア:

[(1, 155767240), (2, 77883620), (4, 38941810), (5, 31153448), (8, 19470905), (10, 15576724), (20, 7788362), (40, 3894181)]