28305168740

素因数分解:

$2^2\times 5^1\times {\mathrm{145259}}^1\times {\mathrm{9743}}^1$

素因数の和:155011

約数の個数: 24

約数和(自身を含む): 59447364480

約数和(自身を除く): 31142195740

約数列:

[1, 2, 4, 5, 10, 20, 9743, 19486, 38972, 48715, 97430, 145259, 194860, 290518, 581036, 726295, 1452590, 2905180, 1415258437, 2830516874, 5661033748, 7076292185, 14152584370, 28305168740]

約数ペア:

[(1, 28305168740), (2, 14152584370), (4, 7076292185), (5, 5661033748), (10, 2830516874), (20, 1415258437), (9743, 2905180), (19486, 1452590), (38972, 726295), (48715, 581036), (97430, 290518), (145259, 194860)]