1200040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 2844000

約数和(自身を除く): 1643960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1579, 3158, 6316, 7895, 12632, 15790, 30001, 31580, 60002, 63160, 120004, 150005, 240008, 300010, 600020, 1200040]

約数ペア:

[(1, 1200040), (2, 600020), (4, 300010), (5, 240008), (8, 150005), (10, 120004), (19, 63160), (20, 60002), (38, 31580), (40, 30001), (76, 15790), (95, 12632), (152, 7895), (190, 6316), (380, 3158), (760, 1579)]