201408880

素因数分解:

$2^4\times 5^1\times {\mathrm{2517611}}^1$

素因数の和:2517624

約数の個数: 20

約数和(自身を含む): 468275832

約数和(自身を除く): 266866952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2517611, 5035222, 10070444, 12588055, 20140888, 25176110, 40281776, 50352220, 100704440, 201408880]

約数ペア:

[(1, 201408880), (2, 100704440), (4, 50352220), (5, 40281776), (8, 25176110), (10, 20140888), (16, 12588055), (20, 10070444), (40, 5035222), (80, 2517611)]