7778420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29917}}^1$

素因数の和:29939

約数の個数: 24

約数和(自身を含む): 17591784

約数和(自身を除く): 9813364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 29917, 59834, 119668, 149585, 299170, 388921, 598340, 777842, 1555684, 1944605, 3889210, 7778420]

約数ペア:

[(1, 7778420), (2, 3889210), (4, 1944605), (5, 1555684), (10, 777842), (13, 598340), (20, 388921), (26, 299170), (52, 149585), (65, 119668), (130, 59834), (260, 29917)]