56821900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{13859}}^1$

素因数の和:13914

約数の個数: 36

約数和(自身を含む): 126320040

約数和(自身を除く): 69498140

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 13859, 27718, 55436, 69295, 138590, 277180, 346475, 568219, 692950, 1136438, 1385900, 2272876, 2841095, 5682190, 11364380, 14205475, 28410950, 56821900]

約数ペア:

[(1, 56821900), (2, 28410950), (4, 14205475), (5, 11364380), (10, 5682190), (20, 2841095), (25, 2272876), (41, 1385900), (50, 1136438), (82, 692950), (100, 568219), (164, 346475), (205, 277180), (410, 138590), (820, 69295), (1025, 55436), (2050, 27718), (4100, 13859)]