12745220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15559420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 269, 412, 460, 515, 538, 1030, 1076, 1345, 2060, 2369, 2690, 4738, 5380, 6187, 9476, 11845, 12374, 23690, 24748, 27707, 30935, 47380, 55414, 61870, 110828, 123740, 138535, 277070, 554140, 637261, 1274522, 2549044, 3186305, 6372610, 12745220]

約数ペア:

[(1, 12745220), (2, 6372610), (4, 3186305), (5, 2549044), (10, 1274522), (20, 637261), (23, 554140), (46, 277070), (92, 138535), (103, 123740), (115, 110828), (206, 61870), (230, 55414), (269, 47380), (412, 30935), (460, 27707), (515, 24748), (538, 23690), (1030, 12374), (1076, 11845), (1345, 9476), (2060, 6187), (2369, 5380), (2690, 4738)]