12798880

素因数分解:

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

素因数の和:661

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17683040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 479, 668, 835, 958, 1336, 1670, 1916, 2395, 2672, 3340, 3832, 4790, 5344, 6680, 7664, 9580, 13360, 15328, 19160, 26720, 38320, 76640, 79993, 159986, 319972, 399965, 639944, 799930, 1279888, 1599860, 2559776, 3199720, 6399440, 12798880]

約数ペア:

[(1, 12798880), (2, 6399440), (4, 3199720), (5, 2559776), (8, 1599860), (10, 1279888), (16, 799930), (20, 639944), (32, 399965), (40, 319972), (80, 159986), (160, 79993), (167, 76640), (334, 38320), (479, 26720), (668, 19160), (835, 15328), (958, 13360), (1336, 9580), (1670, 7664), (1916, 6680), (2395, 5344), (2672, 4790), (3340, 3832)]