56454940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 121927680

約数和(自身を除く): 65472740

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 479, 710, 830, 958, 1420, 1660, 1916, 2395, 4790, 5893, 9580, 11786, 23572, 29465, 34009, 39757, 58930, 68018, 79514, 117860, 136036, 159028, 170045, 198785, 340090, 397570, 680180, 795140, 2822747, 5645494, 11290988, 14113735, 28227470, 56454940]

約数ペア:

[(1, 56454940), (2, 28227470), (4, 14113735), (5, 11290988), (10, 5645494), (20, 2822747), (71, 795140), (83, 680180), (142, 397570), (166, 340090), (284, 198785), (332, 170045), (355, 159028), (415, 136036), (479, 117860), (710, 79514), (830, 68018), (958, 58930), (1420, 39757), (1660, 34009), (1916, 29465), (2395, 23572), (4790, 11786), (5893, 9580)]