1669880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 3801600

約数和(自身を除く): 2131720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 383, 436, 545, 766, 872, 1090, 1532, 1915, 2180, 3064, 3830, 4360, 7660, 15320, 41747, 83494, 166988, 208735, 333976, 417470, 834940, 1669880]

約数ペア:

[(1, 1669880), (2, 834940), (4, 417470), (5, 333976), (8, 208735), (10, 166988), (20, 83494), (40, 41747), (109, 15320), (218, 7660), (383, 4360), (436, 3830), (545, 3064), (766, 2180), (872, 1915), (1090, 1532)]