84680440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162847}}^1$

素因数の和:162871

約数の個数: 32

約数和(自身を含む): 205188480

約数和(自身を除く): 120508040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 162847, 325694, 651388, 814235, 1302776, 1628470, 2117011, 3256940, 4234022, 6513880, 8468044, 10585055, 16936088, 21170110, 42340220, 84680440]

約数ペア:

[(1, 84680440), (2, 42340220), (4, 21170110), (5, 16936088), (8, 10585055), (10, 8468044), (13, 6513880), (20, 4234022), (26, 3256940), (40, 2117011), (52, 1628470), (65, 1302776), (104, 814235), (130, 651388), (260, 325694), (520, 162847)]