28382240

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 39113440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 991, 1432, 1790, 1982, 2864, 3580, 3964, 4955, 5728, 7160, 7928, 9910, 14320, 15856, 19820, 28640, 31712, 39640, 79280, 158560, 177389, 354778, 709556, 886945, 1419112, 1773890, 2838224, 3547780, 5676448, 7095560, 14191120, 28382240]

約数ペア:

[(1, 28382240), (2, 14191120), (4, 7095560), (5, 5676448), (8, 3547780), (10, 2838224), (16, 1773890), (20, 1419112), (32, 886945), (40, 709556), (80, 354778), (160, 177389), (179, 158560), (358, 79280), (716, 39640), (895, 31712), (991, 28640), (1432, 19820), (1790, 15856), (1982, 14320), (2864, 9910), (3580, 7928), (3964, 7160), (4955, 5728)]