198804560

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{13883}}^1$

素因数の和:14075

約数の個数: 40

約数和(自身を含む): 464836320

約数和(自身を除く): 266031760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 13883, 14320, 27766, 55532, 69415, 111064, 138830, 222128, 277660, 555320, 1110640, 2485057, 4970114, 9940228, 12425285, 19880456, 24850570, 39760912, 49701140, 99402280, 198804560]

約数ペア:

[(1, 198804560), (2, 99402280), (4, 49701140), (5, 39760912), (8, 24850570), (10, 19880456), (16, 12425285), (20, 9940228), (40, 4970114), (80, 2485057), (179, 1110640), (358, 555320), (716, 277660), (895, 222128), (1432, 138830), (1790, 111064), (2864, 69415), (3580, 55532), (7160, 27766), (13883, 14320)]