156778780280

素因数分解:

$2^3\times 5^1\times {\mathrm{378949}}^1\times {\mathrm{10343}}^1$

素因数の和:389303

約数の個数: 32

約数和(自身を含む): 352787292000

約数和(自身を除く): 196008511720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10343, 20686, 41372, 51715, 82744, 103430, 206860, 378949, 413720, 757898, 1515796, 1894745, 3031592, 3789490, 7578980, 15157960, 3919469507, 7838939014, 15677878028, 19597347535, 31355756056, 39194695070, 78389390140, 156778780280]

約数ペア:

[(1, 156778780280), (2, 78389390140), (4, 39194695070), (5, 31355756056), (8, 19597347535), (10, 15677878028), (20, 7838939014), (40, 3919469507), (10343, 15157960), (20686, 7578980), (41372, 3789490), (51715, 3031592), (82744, 1894745), (103430, 1515796), (206860, 757898), (378949, 413720)]