9979508740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1\times {\mathrm{3089}}^1$

素因数の和:4252

約数の個数: 48

約数和(自身を含む): 21113648640

約数和(自身を除く): 11134139900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 991, 1630, 1982, 3089, 3260, 3964, 4955, 6178, 9910, 12356, 15445, 19820, 30890, 61780, 161533, 323066, 503507, 646132, 807665, 1007014, 1615330, 2014028, 2517535, 3061199, 3230660, 5035070, 6122398, 10070140, 12244796, 15305995, 30611990, 61223980, 498975437, 997950874, 1995901748, 2494877185, 4989754370, 9979508740]

約数ペア:

[(1, 9979508740), (2, 4989754370), (4, 2494877185), (5, 1995901748), (10, 997950874), (20, 498975437), (163, 61223980), (326, 30611990), (652, 15305995), (815, 12244796), (991, 10070140), (1630, 6122398), (1982, 5035070), (3089, 3230660), (3260, 3061199), (3964, 2517535), (4955, 2014028), (6178, 1615330), (9910, 1007014), (12356, 807665), (15445, 646132), (19820, 503507), (30890, 323066), (61780, 161533)]