916191280

素因数分解:

$2^4\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{6121}}^1$

素因数の和:8005

約数の個数: 40

約数和(自身を含む): 2131631424

約数和(自身を除く): 1215440144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871, 3742, 6121, 7484, 9355, 12242, 14968, 18710, 24484, 29936, 30605, 37420, 48968, 61210, 74840, 97936, 122420, 149680, 244840, 489680, 11452391, 22904782, 45809564, 57261955, 91619128, 114523910, 183238256, 229047820, 458095640, 916191280]

約数ペア:

[(1, 916191280), (2, 458095640), (4, 229047820), (5, 183238256), (8, 114523910), (10, 91619128), (16, 57261955), (20, 45809564), (40, 22904782), (80, 11452391), (1871, 489680), (3742, 244840), (6121, 149680), (7484, 122420), (9355, 97936), (12242, 74840), (14968, 61210), (18710, 48968), (24484, 37420), (29936, 30605)]