31966720

素因数分解:

$2^9\times 5^1\times {\mathrm{12487}}^1$

素因数の和:12510

約数の個数: 40

約数和(自身を含む): 76651344

約数和(自身を除く): 44684624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12487, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 399584, 499480, 799168, 998960, 1598336, 1997920, 3196672, 3995840, 6393344, 7991680, 15983360, 31966720]

約数ペア:

[(1, 31966720), (2, 15983360), (4, 7991680), (5, 6393344), (8, 3995840), (10, 3196672), (16, 1997920), (20, 1598336), (32, 998960), (40, 799168), (64, 499480), (80, 399584), (128, 249740), (160, 199792), (256, 124870), (320, 99896), (512, 62435), (640, 49948), (1280, 24974), (2560, 12487)]