2017501880

素因数分解:

$2^3\times 5^1\times {\mathrm{5237}}^1\times {\mathrm{9631}}^1$

素因数の和:14879

約数の個数: 32

約数和(自身を含む): 4540717440

約数和(自身を除く): 2523215560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5237, 9631, 10474, 19262, 20948, 26185, 38524, 41896, 48155, 52370, 77048, 96310, 104740, 192620, 209480, 385240, 50437547, 100875094, 201750188, 252187735, 403500376, 504375470, 1008750940, 2017501880]

約数ペア:

[(1, 2017501880), (2, 1008750940), (4, 504375470), (5, 403500376), (8, 252187735), (10, 201750188), (20, 100875094), (40, 50437547), (5237, 385240), (9631, 209480), (10474, 192620), (19262, 104740), (20948, 96310), (26185, 77048), (38524, 52370), (41896, 48155)]