24661720

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2399}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 55728000

約数和(自身を除く): 31066280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2399, 2570, 4798, 5140, 9596, 10280, 11995, 19192, 23990, 47980, 95960, 616543, 1233086, 2466172, 3082715, 4932344, 6165430, 12330860, 24661720]

約数ペア:

[(1, 24661720), (2, 12330860), (4, 6165430), (5, 4932344), (8, 3082715), (10, 2466172), (20, 1233086), (40, 616543), (257, 95960), (514, 47980), (1028, 23990), (1285, 19192), (2056, 11995), (2399, 10280), (2570, 9596), (4798, 5140)]