18820480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4201}}^1$

素因数の和:4227

約数の個数: 64

約数和(自身を含む): 51432480

約数和(自身を除く): 32612000

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, 4201, 4480, 8402, 16804, 21005, 29407, 33608, 42010, 58814, 67216, 84020, 117628, 134432, 147035, 168040, 235256, 268864, 294070, 336080, 470512, 537728, 588140, 672160, 941024, 1176280, 1344320, 1882048, 2352560, 2688640, 3764096, 4705120, 9410240, 18820480]

約数ペア:

[(1, 18820480), (2, 9410240), (4, 4705120), (5, 3764096), (7, 2688640), (8, 2352560), (10, 1882048), (14, 1344320), (16, 1176280), (20, 941024), (28, 672160), (32, 588140), (35, 537728), (40, 470512), (56, 336080), (64, 294070), (70, 268864), (80, 235256), (112, 168040), (128, 147035), (140, 134432), (160, 117628), (224, 84020), (280, 67216), (320, 58814), (448, 42010), (560, 33608), (640, 29407), (896, 21005), (1120, 16804), (2240, 8402), (4201, 4480)]