4494640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2989

約数の個数: 40

約数和(自身を含む): 11003760

約数和(自身を除く): 6509120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2957, 5914, 11828, 14785, 23656, 29570, 47312, 56183, 59140, 112366, 118280, 224732, 236560, 280915, 449464, 561830, 898928, 1123660, 2247320, 4494640]

約数ペア:

[(1, 4494640), (2, 2247320), (4, 1123660), (5, 898928), (8, 561830), (10, 449464), (16, 280915), (19, 236560), (20, 224732), (38, 118280), (40, 112366), (76, 59140), (80, 56183), (95, 47312), (152, 29570), (190, 23656), (304, 14785), (380, 11828), (760, 5914), (1520, 2957)]