28622720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6389}}^1$

素因数の和:6415

約数の個数: 64

約数和(自身を含む): 78213600

約数和(自身を除く): 49590880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6389, 12778, 25556, 31945, 44723, 51112, 63890, 89446, 102224, 127780, 178892, 204448, 223615, 255560, 357784, 408896, 447230, 511120, 715568, 817792, 894460, 1022240, 1431136, 1788920, 2044480, 2862272, 3577840, 4088960, 5724544, 7155680, 14311360, 28622720]

約数ペア:

[(1, 28622720), (2, 14311360), (4, 7155680), (5, 5724544), (7, 4088960), (8, 3577840), (10, 2862272), (14, 2044480), (16, 1788920), (20, 1431136), (28, 1022240), (32, 894460), (35, 817792), (40, 715568), (56, 511120), (64, 447230), (70, 408896), (80, 357784), (112, 255560), (128, 223615), (140, 204448), (160, 178892), (224, 127780), (280, 102224), (320, 89446), (448, 63890), (560, 51112), (640, 44723), (896, 31945), (1120, 25556), (2240, 12778), (4480, 6389)]