66344800

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 163489536

約数和(自身を除く): 97144736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 653, 800, 1016, 1270, 1306, 2032, 2540, 2612, 3175, 3265, 4064, 5080, 5224, 6350, 6530, 10160, 10448, 12700, 13060, 16325, 20320, 20896, 25400, 26120, 32650, 50800, 52240, 65300, 82931, 101600, 104480, 130600, 165862, 261200, 331724, 414655, 522400, 663448, 829310, 1326896, 1658620, 2073275, 2653792, 3317240, 4146550, 6634480, 8293100, 13268960, 16586200, 33172400, 66344800]

約数ペア:

[(1, 66344800), (2, 33172400), (4, 16586200), (5, 13268960), (8, 8293100), (10, 6634480), (16, 4146550), (20, 3317240), (25, 2653792), (32, 2073275), (40, 1658620), (50, 1326896), (80, 829310), (100, 663448), (127, 522400), (160, 414655), (200, 331724), (254, 261200), (400, 165862), (508, 130600), (635, 104480), (653, 101600), (800, 82931), (1016, 65300), (1270, 52240), (1306, 50800), (2032, 32650), (2540, 26120), (2612, 25400), (3175, 20896), (3265, 20320), (4064, 16325), (5080, 13060), (5224, 12700), (6350, 10448), (6530, 10160)]