51672940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{673}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 118893600

約数和(自身を除く): 67220660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 673, 698, 1346, 1396, 1745, 2692, 3365, 3490, 3839, 6730, 6980, 7403, 7678, 13460, 14806, 15356, 19195, 29612, 37015, 38390, 74030, 76780, 148060, 234877, 469754, 939508, 1174385, 2348770, 2583647, 4697540, 5167294, 10334588, 12918235, 25836470, 51672940]

約数ペア:

[(1, 51672940), (2, 25836470), (4, 12918235), (5, 10334588), (10, 5167294), (11, 4697540), (20, 2583647), (22, 2348770), (44, 1174385), (55, 939508), (110, 469754), (220, 234877), (349, 148060), (673, 76780), (698, 74030), (1346, 38390), (1396, 37015), (1745, 29612), (2692, 19195), (3365, 15356), (3490, 14806), (3839, 13460), (6730, 7678), (6980, 7403)]