20161465925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{2417}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 26553121920

約数和(自身を除く): 6391655995

約数列:

[1, 5, 23, 25, 89, 115, 163, 445, 575, 815, 2047, 2225, 2417, 3749, 4075, 10235, 12085, 14507, 18745, 51175, 55591, 60425, 72535, 93725, 215113, 277955, 333661, 362675, 393971, 1075565, 1389775, 1668305, 1969855, 4947599, 5377825, 8341525, 9061333, 9849275, 24737995, 35063419, 45306665, 123689975, 175317095, 226533325, 806458637, 876585475, 4032293185, 20161465925]

約数ペア:

[(1, 20161465925), (5, 4032293185), (23, 876585475), (25, 806458637), (89, 226533325), (115, 175317095), (163, 123689975), (445, 45306665), (575, 35063419), (815, 24737995), (2047, 9849275), (2225, 9061333), (2417, 8341525), (3749, 5377825), (4075, 4947599), (10235, 1969855), (12085, 1668305), (14507, 1389775), (18745, 1075565), (51175, 393971), (55591, 362675), (60425, 333661), (72535, 277955), (93725, 215113)]