64972220

素因数分解:

$2^2\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{2267}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 136597104

約数和(自身を除く): 71624884

約数列:

[1, 2, 4, 5, 10, 20, 1433, 2267, 2866, 4534, 5732, 7165, 9068, 11335, 14330, 22670, 28660, 45340, 3248611, 6497222, 12994444, 16243055, 32486110, 64972220]

約数ペア:

[(1, 64972220), (2, 32486110), (4, 16243055), (5, 12994444), (10, 6497222), (20, 3248611), (1433, 45340), (2267, 28660), (2866, 22670), (4534, 14330), (5732, 11335), (7165, 9068)]