2008485880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{9767}}^1$

素因数の和:9928

約数の個数: 64

約数和(自身を含む): 4652303040

約数和(自身を除く): 2643817160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 194, 212, 265, 388, 424, 485, 530, 776, 970, 1060, 1940, 2120, 3880, 5141, 9767, 10282, 19534, 20564, 25705, 39068, 41128, 48835, 51410, 78136, 97670, 102820, 195340, 205640, 390680, 517651, 947399, 1035302, 1894798, 2070604, 2588255, 3789596, 4141208, 4736995, 5176510, 7579192, 9473990, 10353020, 18947980, 20706040, 37895960, 50212147, 100424294, 200848588, 251060735, 401697176, 502121470, 1004242940, 2008485880]

約数ペア:

[(1, 2008485880), (2, 1004242940), (4, 502121470), (5, 401697176), (8, 251060735), (10, 200848588), (20, 100424294), (40, 50212147), (53, 37895960), (97, 20706040), (106, 18947980), (194, 10353020), (212, 9473990), (265, 7579192), (388, 5176510), (424, 4736995), (485, 4141208), (530, 3789596), (776, 2588255), (970, 2070604), (1060, 1894798), (1940, 1035302), (2120, 947399), (3880, 517651), (5141, 390680), (9767, 205640), (10282, 195340), (19534, 102820), (20564, 97670), (25705, 78136), (39068, 51410), (41128, 48835)]