71907760

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2029}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 167645520

約数和(自身を除く): 95737760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2029, 2215, 3544, 4058, 4430, 7088, 8116, 8860, 10145, 16232, 17720, 20290, 32464, 35440, 40580, 81160, 162320, 898847, 1797694, 3595388, 4494235, 7190776, 8988470, 14381552, 17976940, 35953880, 71907760]

約数ペア:

[(1, 71907760), (2, 35953880), (4, 17976940), (5, 14381552), (8, 8988470), (10, 7190776), (16, 4494235), (20, 3595388), (40, 1797694), (80, 898847), (443, 162320), (886, 81160), (1772, 40580), (2029, 35440), (2215, 32464), (3544, 20290), (4058, 17720), (4430, 16232), (7088, 10145), (8116, 8860)]