81130010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 162908928

約数和(自身を除く): 81778918

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 83, 103, 130, 146, 166, 206, 365, 415, 515, 730, 830, 949, 1030, 1079, 1339, 1898, 2158, 2678, 4745, 5395, 6059, 6695, 7519, 8549, 9490, 10790, 12118, 13390, 15038, 17098, 30295, 37595, 42745, 60590, 75190, 78767, 85490, 97747, 111137, 157534, 195494, 222274, 393835, 488735, 555685, 624077, 787670, 977470, 1111370, 1248154, 3120385, 6240770, 8113001, 16226002, 40565005, 81130010]

約数ペア:

[(1, 81130010), (2, 40565005), (5, 16226002), (10, 8113001), (13, 6240770), (26, 3120385), (65, 1248154), (73, 1111370), (83, 977470), (103, 787670), (130, 624077), (146, 555685), (166, 488735), (206, 393835), (365, 222274), (415, 195494), (515, 157534), (730, 111137), (830, 97747), (949, 85490), (1030, 78767), (1079, 75190), (1339, 60590), (1898, 42745), (2158, 37595), (2678, 30295), (4745, 17098), (5395, 15038), (6059, 13390), (6695, 12118), (7519, 10790), (8549, 9490)]