8247460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31743

約数の個数: 24

約数和(自身を含む): 18652536

約数和(自身を除く): 10405076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31721, 63442, 126884, 158605, 317210, 412373, 634420, 824746, 1649492, 2061865, 4123730, 8247460]

約数ペア:

[(1, 8247460), (2, 4123730), (4, 2061865), (5, 1649492), (10, 824746), (13, 634420), (20, 412373), (26, 317210), (52, 158605), (65, 126884), (130, 63442), (260, 31721)]