538360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 1243440

約数和(自身を除く): 705080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 313, 344, 430, 626, 860, 1252, 1565, 1720, 2504, 3130, 6260, 12520, 13459, 26918, 53836, 67295, 107672, 134590, 269180, 538360]

約数ペア:

[(1, 538360), (2, 269180), (4, 134590), (5, 107672), (8, 67295), (10, 53836), (20, 26918), (40, 13459), (43, 12520), (86, 6260), (172, 3130), (215, 2504), (313, 1720), (344, 1565), (430, 1252), (626, 860)]