261370420

素因数分解:

$2^2\times 5^1\times {\mathrm{2713}}^1\times {\mathrm{4817}}^1$

素因数の和:7539

約数の個数: 24

約数和(自身を含む): 549194184

約数和(自身を除く): 287823764

約数列:

[1, 2, 4, 5, 10, 20, 2713, 4817, 5426, 9634, 10852, 13565, 19268, 24085, 27130, 48170, 54260, 96340, 13068521, 26137042, 52274084, 65342605, 130685210, 261370420]

約数ペア:

[(1, 261370420), (2, 130685210), (4, 65342605), (5, 52274084), (10, 26137042), (20, 13068521), (2713, 96340), (4817, 54260), (5426, 48170), (9634, 27130), (10852, 24085), (13565, 19268)]