77962580

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3121}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 163905000

約数和(自身を除く): 85942420

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 3121, 4996, 6242, 6245, 12484, 12490, 15605, 24980, 31210, 62420, 3898129, 7796258, 15592516, 19490645, 38981290, 77962580]

約数ペア:

[(1, 77962580), (2, 38981290), (4, 19490645), (5, 15592516), (10, 7796258), (20, 3898129), (1249, 62420), (2498, 31210), (3121, 24980), (4996, 15605), (6242, 12490), (6245, 12484)]