40470440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3847}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 91428480

約数和(自身を除く): 50958040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 3847, 5260, 7694, 10520, 15388, 19235, 30776, 38470, 76940, 153880, 1011761, 2023522, 4047044, 5058805, 8094088, 10117610, 20235220, 40470440]

約数ペア:

[(1, 40470440), (2, 20235220), (4, 10117610), (5, 8094088), (8, 5058805), (10, 4047044), (20, 2023522), (40, 1011761), (263, 153880), (526, 76940), (1052, 38470), (1315, 30776), (2104, 19235), (2630, 15388), (3847, 10520), (5260, 7694)]