90895040

素因数分解:

$2^6\times 5^1\times {\mathrm{479}}^1\times {\mathrm{593}}^1$

素因数の和:1089

約数の個数: 56

約数和(自身を含む): 217261440

約数和(自身を除く): 126366400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 479, 593, 958, 1186, 1916, 2372, 2395, 2965, 3832, 4744, 4790, 5930, 7664, 9488, 9580, 11860, 15328, 18976, 19160, 23720, 30656, 37952, 38320, 47440, 76640, 94880, 153280, 189760, 284047, 568094, 1136188, 1420235, 2272376, 2840470, 4544752, 5680940, 9089504, 11361880, 18179008, 22723760, 45447520, 90895040]

約数ペア:

[(1, 90895040), (2, 45447520), (4, 22723760), (5, 18179008), (8, 11361880), (10, 9089504), (16, 5680940), (20, 4544752), (32, 2840470), (40, 2272376), (64, 1420235), (80, 1136188), (160, 568094), (320, 284047), (479, 189760), (593, 153280), (958, 94880), (1186, 76640), (1916, 47440), (2372, 38320), (2395, 37952), (2965, 30656), (3832, 23720), (4744, 19160), (4790, 18976), (5930, 15328), (7664, 11860), (9488, 9580)]