12861640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29231}}^1$

素因数の和:29253

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 18708920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29231, 58462, 116924, 146155, 233848, 292310, 321541, 584620, 643082, 1169240, 1286164, 1607705, 2572328, 3215410, 6430820, 12861640]

約数ペア:

[(1, 12861640), (2, 6430820), (4, 3215410), (5, 2572328), (8, 1607705), (10, 1286164), (11, 1169240), (20, 643082), (22, 584620), (40, 321541), (44, 292310), (55, 233848), (88, 146155), (110, 116924), (220, 58462), (440, 29231)]