8511680

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 56

約数和(自身を含む): 20622768

約数和(自身を除く): 12111088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 397, 536, 670, 794, 1072, 1340, 1588, 1985, 2144, 2680, 3176, 3970, 4288, 5360, 6352, 7940, 10720, 12704, 15880, 21440, 25408, 26599, 31760, 53198, 63520, 106396, 127040, 132995, 212792, 265990, 425584, 531980, 851168, 1063960, 1702336, 2127920, 4255840, 8511680]

約数ペア:

[(1, 8511680), (2, 4255840), (4, 2127920), (5, 1702336), (8, 1063960), (10, 851168), (16, 531980), (20, 425584), (32, 265990), (40, 212792), (64, 132995), (67, 127040), (80, 106396), (134, 63520), (160, 53198), (268, 31760), (320, 26599), (335, 25408), (397, 21440), (536, 15880), (670, 12704), (794, 10720), (1072, 7940), (1340, 6352), (1588, 5360), (1985, 4288), (2144, 3970), (2680, 3176)]