71545720

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1453}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 161219520

約数和(自身を除く): 89673800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1453, 2462, 2906, 4924, 5812, 6155, 7265, 9848, 11624, 12310, 14530, 24620, 29060, 49240, 58120, 1788643, 3577286, 7154572, 8943215, 14309144, 17886430, 35772860, 71545720]

約数ペア:

[(1, 71545720), (2, 35772860), (4, 17886430), (5, 14309144), (8, 8943215), (10, 7154572), (20, 3577286), (40, 1788643), (1231, 58120), (1453, 49240), (2462, 29060), (2906, 24620), (4924, 14530), (5812, 12310), (6155, 11624), (7265, 9848)]