7769240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 17891280

約数和(自身を除く): 10122040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4517, 9034, 18068, 22585, 36136, 45170, 90340, 180680, 194231, 388462, 776924, 971155, 1553848, 1942310, 3884620, 7769240]

約数ペア:

[(1, 7769240), (2, 3884620), (4, 1942310), (5, 1553848), (8, 971155), (10, 776924), (20, 388462), (40, 194231), (43, 180680), (86, 90340), (172, 45170), (215, 36136), (344, 22585), (430, 18068), (860, 9034), (1720, 4517)]