43994000

素因数分解:

$2^4\times 5^3\times {\mathrm{21997}}^1$

素因数の和:22020

約数の個数: 40

約数和(自身を含む): 106382328

約数和(自身を除く): 62388328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 21997, 43994, 87988, 109985, 175976, 219970, 351952, 439940, 549925, 879880, 1099850, 1759760, 2199700, 2749625, 4399400, 5499250, 8798800, 10998500, 21997000, 43994000]

約数ペア:

[(1, 43994000), (2, 21997000), (4, 10998500), (5, 8798800), (8, 5499250), (10, 4399400), (16, 2749625), (20, 2199700), (25, 1759760), (40, 1099850), (50, 879880), (80, 549925), (100, 439940), (125, 351952), (200, 219970), (250, 175976), (400, 109985), (500, 87988), (1000, 43994), (2000, 21997)]