4000880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3873

約数の個数: 40

約数和(自身を含む): 10020192

約数和(自身を除く): 6019312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3847, 7694, 15388, 19235, 30776, 38470, 50011, 61552, 76940, 100022, 153880, 200044, 250055, 307760, 400088, 500110, 800176, 1000220, 2000440, 4000880]

約数ペア:

[(1, 4000880), (2, 2000440), (4, 1000220), (5, 800176), (8, 500110), (10, 400088), (13, 307760), (16, 250055), (20, 200044), (26, 153880), (40, 100022), (52, 76940), (65, 61552), (80, 50011), (104, 38470), (130, 30776), (208, 19235), (260, 15388), (520, 7694), (1040, 3847)]