42143480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 98055360

約数和(自身を除く): 55911880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 193, 206, 212, 265, 386, 412, 424, 515, 530, 772, 824, 965, 1030, 1060, 1544, 1930, 2060, 2120, 3860, 4120, 5459, 7720, 10229, 10918, 19879, 20458, 21836, 27295, 39758, 40916, 43672, 51145, 54590, 79516, 81832, 99395, 102290, 109180, 159032, 198790, 204580, 218360, 397580, 409160, 795160, 1053587, 2107174, 4214348, 5267935, 8428696, 10535870, 21071740, 42143480]

約数ペア:

[(1, 42143480), (2, 21071740), (4, 10535870), (5, 8428696), (8, 5267935), (10, 4214348), (20, 2107174), (40, 1053587), (53, 795160), (103, 409160), (106, 397580), (193, 218360), (206, 204580), (212, 198790), (265, 159032), (386, 109180), (412, 102290), (424, 99395), (515, 81832), (530, 79516), (772, 54590), (824, 51145), (965, 43672), (1030, 40916), (1060, 39758), (1544, 27295), (1930, 21836), (2060, 20458), (2120, 19879), (3860, 10918), (4120, 10229), (5459, 7720)]