13215340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28729}}^1$

素因数の和:28761

約数の個数: 24

約数和(自身を含む): 28959840

約数和(自身を除く): 15744500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 28729, 57458, 114916, 143645, 287290, 574580, 660767, 1321534, 2643068, 3303835, 6607670, 13215340]

約数ペア:

[(1, 13215340), (2, 6607670), (4, 3303835), (5, 2643068), (10, 1321534), (20, 660767), (23, 574580), (46, 287290), (92, 143645), (115, 114916), (230, 57458), (460, 28729)]