54039640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 126372960

約数和(自身を除く): 72333320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 397, 410, 415, 664, 794, 820, 830, 1588, 1640, 1660, 1985, 3176, 3320, 3403, 3970, 6806, 7940, 13612, 15880, 16277, 17015, 27224, 32554, 32951, 34030, 65108, 65902, 68060, 81385, 130216, 131804, 136120, 162770, 164755, 263608, 325540, 329510, 651080, 659020, 1318040, 1350991, 2701982, 5403964, 6754955, 10807928, 13509910, 27019820, 54039640]

約数ペア:

[(1, 54039640), (2, 27019820), (4, 13509910), (5, 10807928), (8, 6754955), (10, 5403964), (20, 2701982), (40, 1350991), (41, 1318040), (82, 659020), (83, 651080), (164, 329510), (166, 325540), (205, 263608), (328, 164755), (332, 162770), (397, 136120), (410, 131804), (415, 130216), (664, 81385), (794, 68060), (820, 65902), (830, 65108), (1588, 34030), (1640, 32951), (1660, 32554), (1985, 27224), (3176, 17015), (3320, 16277), (3403, 15880), (3970, 13612), (6806, 7940)]