128826200

素因数分解:

$2^3\times 5^2\times {\mathrm{644131}}^1$

素因数の和:644147

約数の個数: 24

約数和(自身を含む): 299521380

約数和(自身を除く): 170695180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 644131, 1288262, 2576524, 3220655, 5153048, 6441310, 12882620, 16103275, 25765240, 32206550, 64413100, 128826200]

約数ペア:

[(1, 128826200), (2, 64413100), (4, 32206550), (5, 25765240), (8, 16103275), (10, 12882620), (20, 6441310), (25, 5153048), (40, 3220655), (50, 2576524), (100, 1288262), (200, 644131)]