40666768

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{16189}}^1$

素因数の和:16354

約数の個数: 20

約数和(自身を含む): 79298620

約数和(自身を除く): 38631852

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 16189, 32378, 64756, 129512, 259024, 2541673, 5083346, 10166692, 20333384, 40666768]

約数ペア:

[(1, 40666768), (2, 20333384), (4, 10166692), (8, 5083346), (16, 2541673), (157, 259024), (314, 129512), (628, 64756), (1256, 32378), (2512, 16189)]