28124480

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 56

約数和(自身を含む): 67482720

約数和(自身を除く): 39358240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 491, 716, 895, 982, 1432, 1790, 1964, 2455, 2864, 3580, 3928, 4910, 5728, 7160, 7856, 9820, 11456, 14320, 15712, 19640, 28640, 31424, 39280, 57280, 78560, 87889, 157120, 175778, 351556, 439445, 703112, 878890, 1406224, 1757780, 2812448, 3515560, 5624896, 7031120, 14062240, 28124480]

約数ペア:

[(1, 28124480), (2, 14062240), (4, 7031120), (5, 5624896), (8, 3515560), (10, 2812448), (16, 1757780), (20, 1406224), (32, 878890), (40, 703112), (64, 439445), (80, 351556), (160, 175778), (179, 157120), (320, 87889), (358, 78560), (491, 57280), (716, 39280), (895, 31424), (982, 28640), (1432, 19640), (1790, 15712), (1964, 14320), (2455, 11456), (2864, 9820), (3580, 7856), (3928, 7160), (4910, 5728)]