39960160

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1823}}^1$

素因数の和:1975

約数の個数: 48

約数和(自身を含む): 95147136

約数和(自身を除く): 55186976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 1823, 2192, 2740, 3646, 4384, 5480, 7292, 9115, 10960, 14584, 18230, 21920, 29168, 36460, 58336, 72920, 145840, 249751, 291680, 499502, 999004, 1248755, 1998008, 2497510, 3996016, 4995020, 7992032, 9990040, 19980080, 39960160]

約数ペア:

[(1, 39960160), (2, 19980080), (4, 9990040), (5, 7992032), (8, 4995020), (10, 3996016), (16, 2497510), (20, 1998008), (32, 1248755), (40, 999004), (80, 499502), (137, 291680), (160, 249751), (274, 145840), (548, 72920), (685, 58336), (1096, 36460), (1370, 29168), (1823, 21920), (2192, 18230), (2740, 14584), (3646, 10960), (4384, 9115), (5480, 7292)]