25131640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 35002760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 463, 472, 590, 920, 926, 1180, 1357, 1852, 2315, 2360, 2714, 3704, 4630, 5428, 6785, 9260, 10649, 10856, 13570, 18520, 21298, 27140, 27317, 42596, 53245, 54280, 54634, 85192, 106490, 109268, 136585, 212980, 218536, 273170, 425960, 546340, 628291, 1092680, 1256582, 2513164, 3141455, 5026328, 6282910, 12565820, 25131640]

約数ペア:

[(1, 25131640), (2, 12565820), (4, 6282910), (5, 5026328), (8, 3141455), (10, 2513164), (20, 1256582), (23, 1092680), (40, 628291), (46, 546340), (59, 425960), (92, 273170), (115, 218536), (118, 212980), (184, 136585), (230, 109268), (236, 106490), (295, 85192), (460, 54634), (463, 54280), (472, 53245), (590, 42596), (920, 27317), (926, 27140), (1180, 21298), (1357, 18520), (1852, 13570), (2315, 10856), (2360, 10649), (2714, 9260), (3704, 6785), (4630, 5428)]