66515800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{25583}}^1$

素因数の和:25612

約数の個数: 48

約数和(自身を含む): 166551840

約数和(自身を除く): 100036040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 25583, 51166, 102332, 127915, 204664, 255830, 332579, 511660, 639575, 665158, 1023320, 1279150, 1330316, 1662895, 2558300, 2660632, 3325790, 5116600, 6651580, 8314475, 13303160, 16628950, 33257900, 66515800]

約数ペア:

[(1, 66515800), (2, 33257900), (4, 16628950), (5, 13303160), (8, 8314475), (10, 6651580), (13, 5116600), (20, 3325790), (25, 2660632), (26, 2558300), (40, 1662895), (50, 1330316), (52, 1279150), (65, 1023320), (100, 665158), (104, 639575), (130, 511660), (200, 332579), (260, 255830), (325, 204664), (520, 127915), (650, 102332), (1300, 51166), (2600, 25583)]