128213600

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1312

約数の個数: 72

約数和(自身を含む): 315526680

約数和(自身を除く): 187313080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 695, 800, 1112, 1153, 1390, 2224, 2306, 2780, 3475, 4448, 4612, 5560, 5765, 6950, 9224, 11120, 11530, 13900, 18448, 22240, 23060, 27800, 28825, 36896, 46120, 55600, 57650, 92240, 111200, 115300, 160267, 184480, 230600, 320534, 461200, 641068, 801335, 922400, 1282136, 1602670, 2564272, 3205340, 4006675, 5128544, 6410680, 8013350, 12821360, 16026700, 25642720, 32053400, 64106800, 128213600]

約数ペア:

[(1, 128213600), (2, 64106800), (4, 32053400), (5, 25642720), (8, 16026700), (10, 12821360), (16, 8013350), (20, 6410680), (25, 5128544), (32, 4006675), (40, 3205340), (50, 2564272), (80, 1602670), (100, 1282136), (139, 922400), (160, 801335), (200, 641068), (278, 461200), (400, 320534), (556, 230600), (695, 184480), (800, 160267), (1112, 115300), (1153, 111200), (1390, 92240), (2224, 57650), (2306, 55600), (2780, 46120), (3475, 36896), (4448, 28825), (4612, 27800), (5560, 23060), (5765, 22240), (6950, 18448), (9224, 13900), (11120, 11530)]