130154680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25621}}^1$

素因数の和:25759

約数の個数: 32

約数和(自身を含む): 295165440

約数和(自身を除く): 165010760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25621, 51242, 102484, 128105, 204968, 256210, 512420, 1024840, 3253867, 6507734, 13015468, 16269335, 26030936, 32538670, 65077340, 130154680]

約数ペア:

[(1, 130154680), (2, 65077340), (4, 32538670), (5, 26030936), (8, 16269335), (10, 13015468), (20, 6507734), (40, 3253867), (127, 1024840), (254, 512420), (508, 256210), (635, 204968), (1016, 128105), (1270, 102484), (2540, 51242), (5080, 25621)]