2000440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3871

約数の個数: 32

約数和(自身を含む): 4848480

約数和(自身を除く): 2848040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3847, 7694, 15388, 19235, 30776, 38470, 50011, 76940, 100022, 153880, 200044, 250055, 400088, 500110, 1000220, 2000440]

約数ペア:

[(1, 2000440), (2, 1000220), (4, 500110), (5, 400088), (8, 250055), (10, 200044), (13, 153880), (20, 100022), (26, 76940), (40, 50011), (52, 38470), (65, 30776), (104, 19235), (130, 15388), (260, 7694), (520, 3847)]