51195520

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 72183680

約数列:

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

約数ペア:

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