49631780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20509}}^1$

素因数の和:20540

約数の個数: 36

約数和(自身を含む): 114568860

約数和(自身を除く): 64937080

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 20509, 41018, 82036, 102545, 205090, 225599, 410180, 451198, 902396, 1127995, 2255990, 2481589, 4511980, 4963178, 9926356, 12407945, 24815890, 49631780]

約数ペア:

[(1, 49631780), (2, 24815890), (4, 12407945), (5, 9926356), (10, 4963178), (11, 4511980), (20, 2481589), (22, 2255990), (44, 1127995), (55, 902396), (110, 451198), (121, 410180), (220, 225599), (242, 205090), (484, 102545), (605, 82036), (1210, 41018), (2420, 20509)]