42438680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 100604160

約数和(自身を除く): 58165480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 230, 283, 326, 460, 566, 652, 815, 920, 1132, 1304, 1415, 1630, 2264, 2830, 3260, 3749, 5660, 6509, 6520, 7498, 11320, 13018, 14996, 18745, 26036, 29992, 32545, 37490, 46129, 52072, 65090, 74980, 92258, 130180, 149960, 184516, 230645, 260360, 369032, 461290, 922580, 1060967, 1845160, 2121934, 4243868, 5304835, 8487736, 10609670, 21219340, 42438680]

約数ペア:

[(1, 42438680), (2, 21219340), (4, 10609670), (5, 8487736), (8, 5304835), (10, 4243868), (20, 2121934), (23, 1845160), (40, 1060967), (46, 922580), (92, 461290), (115, 369032), (163, 260360), (184, 230645), (230, 184516), (283, 149960), (326, 130180), (460, 92258), (566, 74980), (652, 65090), (815, 52072), (920, 46129), (1132, 37490), (1304, 32545), (1415, 29992), (1630, 26036), (2264, 18745), (2830, 14996), (3260, 13018), (3749, 11320), (5660, 7498), (6509, 6520)]