25720440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9319}}^1$

素因数の和:9356

約数の個数: 64

約数和(自身を含む): 80524800

約数和(自身を除く): 54804360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 9319, 18638, 27957, 37276, 46595, 55914, 74552, 93190, 111828, 139785, 186380, 214337, 223656, 279570, 372760, 428674, 559140, 643011, 857348, 1071685, 1118280, 1286022, 1714696, 2143370, 2572044, 3215055, 4286740, 5144088, 6430110, 8573480, 12860220, 25720440]

約数ペア:

[(1, 25720440), (2, 12860220), (3, 8573480), (4, 6430110), (5, 5144088), (6, 4286740), (8, 3215055), (10, 2572044), (12, 2143370), (15, 1714696), (20, 1286022), (23, 1118280), (24, 1071685), (30, 857348), (40, 643011), (46, 559140), (60, 428674), (69, 372760), (92, 279570), (115, 223656), (120, 214337), (138, 186380), (184, 139785), (230, 111828), (276, 93190), (345, 74552), (460, 55914), (552, 46595), (690, 37276), (920, 27957), (1380, 18638), (2760, 9319)]