12565820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 28062720

約数和(自身を除く): 15496900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 463, 590, 926, 1180, 1357, 1852, 2315, 2714, 4630, 5428, 6785, 9260, 10649, 13570, 21298, 27140, 27317, 42596, 53245, 54634, 106490, 109268, 136585, 212980, 273170, 546340, 628291, 1256582, 2513164, 3141455, 6282910, 12565820]

約数ペア:

[(1, 12565820), (2, 6282910), (4, 3141455), (5, 2513164), (10, 1256582), (20, 628291), (23, 546340), (46, 273170), (59, 212980), (92, 136585), (115, 109268), (118, 106490), (230, 54634), (236, 53245), (295, 42596), (460, 27317), (463, 27140), (590, 21298), (926, 13570), (1180, 10649), (1357, 9260), (1852, 6785), (2315, 5428), (2714, 4630)]