29121320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16931}}^1$

素因数の和:16985

約数の個数: 32

約数和(自身を含む): 67050720

約数和(自身を除く): 37929400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16931, 33862, 67724, 84655, 135448, 169310, 338620, 677240, 728033, 1456066, 2912132, 3640165, 5824264, 7280330, 14560660, 29121320]

約数ペア:

[(1, 29121320), (2, 14560660), (4, 7280330), (5, 5824264), (8, 3640165), (10, 2912132), (20, 1456066), (40, 728033), (43, 677240), (86, 338620), (172, 169310), (215, 135448), (344, 84655), (430, 67724), (860, 33862), (1720, 16931)]