42689140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1453}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 97464528

約数和(自身を除く): 54775388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1453, 1469, 2260, 2906, 2938, 5812, 5876, 7265, 7345, 14530, 14690, 18889, 29060, 29380, 37778, 75556, 94445, 164189, 188890, 328378, 377780, 656756, 820945, 1641890, 2134457, 3283780, 4268914, 8537828, 10672285, 21344570, 42689140]

約数ペア:

[(1, 42689140), (2, 21344570), (4, 10672285), (5, 8537828), (10, 4268914), (13, 3283780), (20, 2134457), (26, 1641890), (52, 820945), (65, 656756), (113, 377780), (130, 328378), (226, 188890), (260, 164189), (452, 94445), (565, 75556), (1130, 37778), (1453, 29380), (1469, 29060), (2260, 18889), (2906, 14690), (2938, 14530), (5812, 7345), (5876, 7265)]