22019401240

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1\times {\mathrm{1361}}^1$

素因数の和:2644

約数の個数: 64

約数和(自身を含む): 49736099520

約数和(自身を除く): 27716698280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 641, 1262, 1282, 1361, 2524, 2564, 2722, 3155, 3205, 5048, 5128, 5444, 6310, 6410, 6805, 10888, 12620, 12820, 13610, 25240, 25640, 27220, 54440, 404471, 808942, 858791, 872401, 1617884, 1717582, 1744802, 2022355, 3235768, 3435164, 3489604, 4044710, 4293955, 4362005, 6870328, 6979208, 8089420, 8587910, 8724010, 16178840, 17175820, 17448020, 34351640, 34896040, 550485031, 1100970062, 2201940124, 2752425155, 4403880248, 5504850310, 11009700620, 22019401240]

約数ペア:

[(1, 22019401240), (2, 11009700620), (4, 5504850310), (5, 4403880248), (8, 2752425155), (10, 2201940124), (20, 1100970062), (40, 550485031), (631, 34896040), (641, 34351640), (1262, 17448020), (1282, 17175820), (1361, 16178840), (2524, 8724010), (2564, 8587910), (2722, 8089420), (3155, 6979208), (3205, 6870328), (5048, 4362005), (5128, 4293955), (5444, 4044710), (6310, 3489604), (6410, 3435164), (6805, 3235768), (10888, 2022355), (12620, 1744802), (12820, 1717582), (13610, 1617884), (25240, 872401), (25640, 858791), (27220, 808942), (54440, 404471)]