320416160

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9491}}^1$

素因数の和:9717

約数の個数: 48

約数和(自身を含む): 760650912

約数和(自身を除く): 440234752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 6752, 8440, 9491, 16880, 18982, 33760, 37964, 47455, 75928, 94910, 151856, 189820, 303712, 379640, 759280, 1518560, 2002601, 4005202, 8010404, 10013005, 16020808, 20026010, 32041616, 40052020, 64083232, 80104040, 160208080, 320416160]

約数ペア:

[(1, 320416160), (2, 160208080), (4, 80104040), (5, 64083232), (8, 40052020), (10, 32041616), (16, 20026010), (20, 16020808), (32, 10013005), (40, 8010404), (80, 4005202), (160, 2002601), (211, 1518560), (422, 759280), (844, 379640), (1055, 303712), (1688, 189820), (2110, 151856), (3376, 94910), (4220, 75928), (6752, 47455), (8440, 37964), (9491, 33760), (16880, 18982)]