207841280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{20297}}^1$

素因数の和:20324

約数の個数: 48

約数和(自身を含む): 498721860

約数和(自身を除く): 290880580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 20297, 40594, 81188, 101485, 162376, 202970, 324752, 405940, 649504, 811880, 1299008, 1623760, 2598016, 3247520, 5196032, 6495040, 10392064, 12990080, 20784128, 25980160, 41568256, 51960320, 103920640, 207841280]

約数ペア:

[(1, 207841280), (2, 103920640), (4, 51960320), (5, 41568256), (8, 25980160), (10, 20784128), (16, 12990080), (20, 10392064), (32, 6495040), (40, 5196032), (64, 3247520), (80, 2598016), (128, 1623760), (160, 1299008), (256, 811880), (320, 649504), (512, 405940), (640, 324752), (1024, 202970), (1280, 162376), (2048, 101485), (2560, 81188), (5120, 40594), (10240, 20297)]