12929240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7517}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 29771280

約数和(自身を除く): 16842040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7517, 15034, 30068, 37585, 60136, 75170, 150340, 300680, 323231, 646462, 1292924, 1616155, 2585848, 3232310, 6464620, 12929240]

約数ペア:

[(1, 12929240), (2, 6464620), (4, 3232310), (5, 2585848), (8, 1616155), (10, 1292924), (20, 646462), (40, 323231), (43, 300680), (86, 150340), (172, 75170), (215, 60136), (344, 37585), (430, 30068), (860, 15034), (1720, 7517)]