202479440

素因数分解:

$2^4\times 5^1\times {\mathrm{2530993}}^1$

素因数の和:2531006

約数の個数: 20

約数和(自身を含む): 470764884

約数和(自身を除く): 268285444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2530993, 5061986, 10123972, 12654965, 20247944, 25309930, 40495888, 50619860, 101239720, 202479440]

約数ペア:

[(1, 202479440), (2, 101239720), (4, 50619860), (5, 40495888), (8, 25309930), (10, 20247944), (16, 12654965), (20, 10123972), (40, 5061986), (80, 2530993)]