12397040

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 28987728

約数和(自身を除く): 16590688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 643, 964, 1205, 1286, 1928, 2410, 2572, 3215, 3856, 4820, 5144, 6430, 9640, 10288, 12860, 19280, 25720, 51440, 154963, 309926, 619852, 774815, 1239704, 1549630, 2479408, 3099260, 6198520, 12397040]

約数ペア:

[(1, 12397040), (2, 6198520), (4, 3099260), (5, 2479408), (8, 1549630), (10, 1239704), (16, 774815), (20, 619852), (40, 309926), (80, 154963), (241, 51440), (482, 25720), (643, 19280), (964, 12860), (1205, 10288), (1286, 9640), (1928, 6430), (2410, 5144), (2572, 4820), (3215, 3856)]