9809920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{479}}^1$

素因数の和:508

約数の個数: 52

約数和(自身を含む): 23590080

約数和(自身を除く): 13780160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 479, 512, 640, 958, 1024, 1280, 1916, 2048, 2395, 2560, 3832, 4096, 4790, 5120, 7664, 9580, 10240, 15328, 19160, 20480, 30656, 38320, 61312, 76640, 122624, 153280, 245248, 306560, 490496, 613120, 980992, 1226240, 1961984, 2452480, 4904960, 9809920]

約数ペア:

[(1, 9809920), (2, 4904960), (4, 2452480), (5, 1961984), (8, 1226240), (10, 980992), (16, 613120), (20, 490496), (32, 306560), (40, 245248), (64, 153280), (80, 122624), (128, 76640), (160, 61312), (256, 38320), (320, 30656), (479, 20480), (512, 19160), (640, 15328), (958, 10240), (1024, 9580), (1280, 7664), (1916, 5120), (2048, 4790), (2395, 4096), (2560, 3832)]