40009768

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 77333760

約数和(自身を除く): 37323992

約数列:

[1, 2, 4, 8, 41, 82, 164, 223, 328, 446, 547, 892, 1094, 1784, 2188, 4376, 9143, 18286, 22427, 36572, 44854, 73144, 89708, 121981, 179416, 243962, 487924, 975848, 5001221, 10002442, 20004884, 40009768]

約数ペア:

[(1, 40009768), (2, 20004884), (4, 10002442), (8, 5001221), (41, 975848), (82, 487924), (164, 243962), (223, 179416), (328, 121981), (446, 89708), (547, 73144), (892, 44854), (1094, 36572), (1784, 22427), (2188, 18286), (4376, 9143)]