72003280

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1879}}^1$

素因数の和:2371

約数の個数: 40

約数和(自身を含む): 167846400

約数和(自身を除く): 95843120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1879, 1916, 2395, 3758, 3832, 4790, 7516, 7664, 9395, 9580, 15032, 18790, 19160, 30064, 37580, 38320, 75160, 150320, 900041, 1800082, 3600164, 4500205, 7200328, 9000410, 14400656, 18000820, 36001640, 72003280]

約数ペア:

[(1, 72003280), (2, 36001640), (4, 18000820), (5, 14400656), (8, 9000410), (10, 7200328), (16, 4500205), (20, 3600164), (40, 1800082), (80, 900041), (479, 150320), (958, 75160), (1879, 38320), (1916, 37580), (2395, 30064), (3758, 19160), (3832, 18790), (4790, 15032), (7516, 9580), (7664, 9395)]