204782080

素因数分解:

$2^9\times 5^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:669

約数の個数: 80

約数和(自身を含む): 494968320

約数和(自身を除く): 290186240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 479, 512, 640, 668, 835, 958, 1280, 1336, 1670, 1916, 2395, 2560, 2672, 3340, 3832, 4790, 5344, 6680, 7664, 9580, 10688, 13360, 15328, 19160, 21376, 26720, 30656, 38320, 42752, 53440, 61312, 76640, 79993, 85504, 106880, 122624, 153280, 159986, 213760, 245248, 306560, 319972, 399965, 427520, 613120, 639944, 799930, 1226240, 1279888, 1599860, 2559776, 3199720, 5119552, 6399440, 10239104, 12798880, 20478208, 25597760, 40956416, 51195520, 102391040, 204782080]

約数ペア:

[(1, 204782080), (2, 102391040), (4, 51195520), (5, 40956416), (8, 25597760), (10, 20478208), (16, 12798880), (20, 10239104), (32, 6399440), (40, 5119552), (64, 3199720), (80, 2559776), (128, 1599860), (160, 1279888), (167, 1226240), (256, 799930), (320, 639944), (334, 613120), (479, 427520), (512, 399965), (640, 319972), (668, 306560), (835, 245248), (958, 213760), (1280, 159986), (1336, 153280), (1670, 122624), (1916, 106880), (2395, 85504), (2560, 79993), (2672, 76640), (3340, 61312), (3832, 53440), (4790, 42752), (5344, 38320), (6680, 30656), (7664, 26720), (9580, 21376), (10688, 19160), (13360, 15328)]