8889420040

素因数分解:

$2^3\times 5^1\times {\mathrm{45179}}^1\times {\mathrm{4919}}^1$

素因数の和:50109

約数の個数: 32

約数和(自身を含む): 20005704000

約数和(自身を除く): 11116283960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4919, 9838, 19676, 24595, 39352, 45179, 49190, 90358, 98380, 180716, 196760, 225895, 361432, 451790, 903580, 1807160, 222235501, 444471002, 888942004, 1111177505, 1777884008, 2222355010, 4444710020, 8889420040]

約数ペア:

[(1, 8889420040), (2, 4444710020), (4, 2222355010), (5, 1777884008), (8, 1111177505), (10, 888942004), (20, 444471002), (40, 222235501), (4919, 1807160), (9838, 903580), (19676, 451790), (24595, 361432), (39352, 225895), (45179, 196760), (49190, 180716), (90358, 98380)]