128176060

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{4003}}^1$

素因数の和:5613

約数の個数: 24

約数和(自身を含む): 269405136

約数和(自身を除く): 141229076

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 4003, 6404, 8005, 8006, 16010, 16012, 20015, 32020, 40030, 80060, 6408803, 12817606, 25635212, 32044015, 64088030, 128176060]

約数ペア:

[(1, 128176060), (2, 64088030), (4, 32044015), (5, 25635212), (10, 12817606), (20, 6408803), (1601, 80060), (3202, 40030), (4003, 32020), (6404, 20015), (8005, 16012), (8006, 16010)]