749520040

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{39119}}^1$

素因数の和:39609

約数の個数: 32

約数和(自身を含む): 1689984000

約数和(自身を除く): 940463960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 39119, 78238, 156476, 195595, 312952, 391190, 782380, 1564760, 18738001, 37476002, 74952004, 93690005, 149904008, 187380010, 374760020, 749520040]

約数ペア:

[(1, 749520040), (2, 374760020), (4, 187380010), (5, 149904008), (8, 93690005), (10, 74952004), (20, 37476002), (40, 18738001), (479, 1564760), (958, 782380), (1916, 391190), (2395, 312952), (3832, 195595), (4790, 156476), (9580, 78238), (19160, 39119)]