2019970165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 2541837312

約数和(自身を除く): 521867147

約数列:

[1, 5, 41, 61, 163, 205, 305, 815, 991, 2501, 4955, 6683, 9943, 12505, 33415, 40631, 49715, 60451, 161533, 203155, 302255, 407663, 807665, 2038315, 2478491, 6622853, 9853513, 12392455, 33114265, 49267565, 403994033, 2019970165]

約数ペア:

[(1, 2019970165), (5, 403994033), (41, 49267565), (61, 33114265), (163, 12392455), (205, 9853513), (305, 6622853), (815, 2478491), (991, 2038315), (2501, 807665), (4955, 407663), (6683, 302255), (9943, 203155), (12505, 161533), (33415, 60451), (40631, 49715)]