202098520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388651}}^1$

素因数の和:388675

約数の個数: 32

約数和(自身を含む): 489701520

約数和(自身を除く): 287603000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388651, 777302, 1554604, 1943255, 3109208, 3886510, 5052463, 7773020, 10104926, 15546040, 20209852, 25262315, 40419704, 50524630, 101049260, 202098520]

約数ペア:

[(1, 202098520), (2, 101049260), (4, 50524630), (5, 40419704), (8, 25262315), (10, 20209852), (13, 15546040), (20, 10104926), (26, 7773020), (40, 5052463), (52, 3886510), (65, 3109208), (104, 1943255), (130, 1554604), (260, 777302), (520, 388651)]