9789520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9413}}^1$

素因数の和:9439

約数の個数: 40

約数和(自身を含む): 24514056

約数和(自身を除く): 14724536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 9413, 18826, 37652, 47065, 75304, 94130, 122369, 150608, 188260, 244738, 376520, 489476, 611845, 753040, 978952, 1223690, 1957904, 2447380, 4894760, 9789520]

約数ペア:

[(1, 9789520), (2, 4894760), (4, 2447380), (5, 1957904), (8, 1223690), (10, 978952), (13, 753040), (16, 611845), (20, 489476), (26, 376520), (40, 244738), (52, 188260), (65, 150608), (80, 122369), (104, 94130), (130, 75304), (208, 47065), (260, 37652), (520, 18826), (1040, 9413)]