38445940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2207}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 88284672

約数和(自身を除く): 49838732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 2207, 3484, 4355, 4414, 8710, 8828, 11035, 17420, 22070, 28691, 44140, 57382, 114764, 143455, 147869, 286910, 295738, 573820, 591476, 739345, 1478690, 1922297, 2957380, 3844594, 7689188, 9611485, 19222970, 38445940]

約数ペア:

[(1, 38445940), (2, 19222970), (4, 9611485), (5, 7689188), (10, 3844594), (13, 2957380), (20, 1922297), (26, 1478690), (52, 739345), (65, 591476), (67, 573820), (130, 295738), (134, 286910), (260, 147869), (268, 143455), (335, 114764), (670, 57382), (871, 44140), (1340, 28691), (1742, 22070), (2207, 17420), (3484, 11035), (4355, 8828), (4414, 8710)]