9889720

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 22342320

約数和(自身を除く): 12452600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 571, 866, 1142, 1732, 2165, 2284, 2855, 3464, 4330, 4568, 5710, 8660, 11420, 17320, 22840, 247243, 494486, 988972, 1236215, 1977944, 2472430, 4944860, 9889720]

約数ペア:

[(1, 9889720), (2, 4944860), (4, 2472430), (5, 1977944), (8, 1236215), (10, 988972), (20, 494486), (40, 247243), (433, 22840), (571, 17320), (866, 11420), (1142, 8660), (1732, 5710), (2165, 4568), (2284, 4330), (2855, 3464)]