28242400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:884

約数の個数: 72

約数和(自身を含む): 70636104

約数和(自身を除く): 42393704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 821, 860, 1075, 1376, 1642, 1720, 2150, 3284, 3440, 4105, 4300, 6568, 6880, 8210, 8600, 13136, 16420, 17200, 20525, 26272, 32840, 34400, 35303, 41050, 65680, 70606, 82100, 131360, 141212, 164200, 176515, 282424, 328400, 353030, 564848, 656800, 706060, 882575, 1129696, 1412120, 1765150, 2824240, 3530300, 5648480, 7060600, 14121200, 28242400]

約数ペア:

[(1, 28242400), (2, 14121200), (4, 7060600), (5, 5648480), (8, 3530300), (10, 2824240), (16, 1765150), (20, 1412120), (25, 1129696), (32, 882575), (40, 706060), (43, 656800), (50, 564848), (80, 353030), (86, 328400), (100, 282424), (160, 176515), (172, 164200), (200, 141212), (215, 131360), (344, 82100), (400, 70606), (430, 65680), (688, 41050), (800, 35303), (821, 34400), (860, 32840), (1075, 26272), (1376, 20525), (1642, 17200), (1720, 16420), (2150, 13136), (3284, 8600), (3440, 8210), (4105, 6880), (4300, 6568)]