26830280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 65102400

約数和(自身を除く): 38272120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 821, 860, 1634, 1642, 1720, 3268, 3284, 4085, 4105, 6536, 6568, 8170, 8210, 15599, 16340, 16420, 31198, 32680, 32840, 35303, 62396, 70606, 77995, 124792, 141212, 155990, 176515, 282424, 311980, 353030, 623960, 670757, 706060, 1341514, 1412120, 2683028, 3353785, 5366056, 6707570, 13415140, 26830280]

約数ペア:

[(1, 26830280), (2, 13415140), (4, 6707570), (5, 5366056), (8, 3353785), (10, 2683028), (19, 1412120), (20, 1341514), (38, 706060), (40, 670757), (43, 623960), (76, 353030), (86, 311980), (95, 282424), (152, 176515), (172, 155990), (190, 141212), (215, 124792), (344, 77995), (380, 70606), (430, 62396), (760, 35303), (817, 32840), (821, 32680), (860, 31198), (1634, 16420), (1642, 16340), (1720, 15599), (3268, 8210), (3284, 8170), (4085, 6568), (4105, 6536)]