39987800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8693}}^1$

素因数の和:8732

約数の個数: 48

約数和(自身を含む): 97025040

約数和(自身を除く): 57037240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 8693, 17386, 34772, 43465, 69544, 86930, 173860, 199939, 217325, 347720, 399878, 434650, 799756, 869300, 999695, 1599512, 1738600, 1999390, 3998780, 4998475, 7997560, 9996950, 19993900, 39987800]

約数ペア:

[(1, 39987800), (2, 19993900), (4, 9996950), (5, 7997560), (8, 4998475), (10, 3998780), (20, 1999390), (23, 1738600), (25, 1599512), (40, 999695), (46, 869300), (50, 799756), (92, 434650), (100, 399878), (115, 347720), (184, 217325), (200, 199939), (230, 173860), (460, 86930), (575, 69544), (920, 43465), (1150, 34772), (2300, 17386), (4600, 8693)]