6557720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12611}}^1$

素因数の和:12635

約数の個数: 32

約数和(自身を含む): 15891120

約数和(自身を除く): 9333400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12611, 25222, 50444, 63055, 100888, 126110, 163943, 252220, 327886, 504440, 655772, 819715, 1311544, 1639430, 3278860, 6557720]

約数ペア:

[(1, 6557720), (2, 3278860), (4, 1639430), (5, 1311544), (8, 819715), (10, 655772), (13, 504440), (20, 327886), (26, 252220), (40, 163943), (52, 126110), (65, 100888), (104, 63055), (130, 50444), (260, 25222), (520, 12611)]