10991720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{971}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 24844320

約数和(自身を除く): 13852600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 971, 1132, 1415, 1942, 2264, 2830, 3884, 4855, 5660, 7768, 9710, 11320, 19420, 38840, 274793, 549586, 1099172, 1373965, 2198344, 2747930, 5495860, 10991720]

約数ペア:

[(1, 10991720), (2, 5495860), (4, 2747930), (5, 2198344), (8, 1373965), (10, 1099172), (20, 549586), (40, 274793), (283, 38840), (566, 19420), (971, 11320), (1132, 9710), (1415, 7768), (1942, 5660), (2264, 4855), (2830, 3884)]