1378804580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1681469}}^1$

素因数の和:1681519

約数の個数: 24

約数和(自身を含む): 2966113080

約数和(自身を除く): 1587308500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681469, 3362938, 6725876, 8407345, 16814690, 33629380, 68940229, 137880458, 275760916, 344701145, 689402290, 1378804580]

約数ペア:

[(1, 1378804580), (2, 689402290), (4, 344701145), (5, 275760916), (10, 137880458), (20, 68940229), (41, 33629380), (82, 16814690), (164, 8407345), (205, 6725876), (410, 3362938), (820, 1681469)]