8520940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5393}}^1$

素因数の和:5481

約数の個数: 24

約数和(自身を含む): 18123840

約数和(自身を除く): 9602900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5393, 10786, 21572, 26965, 53930, 107860, 426047, 852094, 1704188, 2130235, 4260470, 8520940]

約数ペア:

[(1, 8520940), (2, 4260470), (4, 2130235), (5, 1704188), (10, 852094), (20, 426047), (79, 107860), (158, 53930), (316, 26965), (395, 21572), (790, 10786), (1580, 5393)]