99981320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{47161}}^1$

素因数の和:47225

約数の個数: 32

約数和(自身を含む): 229207320

約数和(自身を除く): 129226000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 47161, 94322, 188644, 235805, 377288, 471610, 943220, 1886440, 2499533, 4999066, 9998132, 12497665, 19996264, 24995330, 49990660, 99981320]

約数ペア:

[(1, 99981320), (2, 49990660), (4, 24995330), (5, 19996264), (8, 12497665), (10, 9998132), (20, 4999066), (40, 2499533), (53, 1886440), (106, 943220), (212, 471610), (265, 377288), (424, 235805), (530, 188644), (1060, 94322), (2120, 47161)]